an astronaut on a strange planet finds that she can jump a maximum horizontal distance of 15.0 ml of her initial speed is 3.00 m/s. what is the free-fall acceleration on the planet?

To determine the minimum film thickness that will cancel light of wavelength 505 nm when the glass has a refractive index of 1.62 and TiO2 has an index of refraction of 2.62, we will use the formula for constructive interference:

t = (mλ) / (2n), where t is the thickness of the film, m is the order of interference, λ is the wavelength, and n is the refractive index of the coating material.

For the minimum thickness (m = 0.5), we have:

t = (0.5 * 505 nm) / (2 * 2.62) ≈ 48.09 nm


So, the minimum film thickness that will cancel light of wavelength 505 nm is approximately 48.09 nm.

For part (b), we will find the next three thinnest film thicknesses that would also work:

For m = 1.5, t ≈ (1.5 * 505 nm) / (2 * 2.62) ≈ 144.27 nm

For m = 2.5, t ≈ (2.5 * 505 nm) / (2 * 2.62) ≈ 240.46 nm

For m = 3.5, t ≈ (3.5 * 505 nm) / (2 * 2.62) ≈ 336.64 nm

Thus, the three thinnest alternative film thicknesses that would also cancel light of wavelength 505 nm are approximately 144.27 nm, 240.46 nm, and 336.64 nm.

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c. weight.

Explanation:

I had the exact same question

a change in gravitational force affects weight. The correct answer is: c. Weight

The gravitational force is given by the law of universal gravitation

         F = \(G \frac{M m}{r^2}\)

where F is the force, G the constant of universal attraction, M and m the mass of the two bodies, r the distance between the bodies

In the case that a body is lying on the surface of the planet, the distance is the radius of the planet, in this case the radius of the Earth

       r = R_e  

       F = \(G \frac{M m}{R_e^2}\)

For convenience we can define a new variable called acceleration of gravity (g)

       g = \(G \frac{M}{R_e^2}\)

we substitute

      F = g m

This amount is called body weight, so a change in gravitational force creates a change in weight, therefore the correct answer is: C Weight

In conclusion a change in gravitational force affects weight, therefore the correct answer is:  c. Weight

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The height of a parallelogram with an area of 375cm² and a base of 25cm is 15cm.

We can use the formula for the area of a parallelogram, which is A = bh, where A is the area, b is the base, and h is the height. Substitute the given values of the area and the base in the formula, we get: A = bh375 = 25h Divide both sides by 25 to get the value of h, and we get: h = 15 Therefore, the height of the parallelogram is 15cm.
To find the height of the parallelogram, you can use the formula for the area: Area = base × height. You are given the area (375 cm²) and the base (25 cm).

375 cm² = 25 cm × height

To find the height, divide both sides by 25 cm:

height = 375 cm² / 25 cm

height = 15 cm

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Answer:

key is not the component of circuit

Answer:

c. Key

Explanation:

All the others make sense.

Answer:

Average velocity = 82.22 km/h

Explanation:

Average Velocity = (Total distance)/(Total time)

When the car was first driven for 1 h with a velocity of 100 km/h towards the south

Velocity = Distance/time

Distance = Velocity * time

Distance covered, D1 = 100 * 1 = 100 km

When the car was driven for 0.50 h with a velocity of 50 km/h towards the north

Distance = Velocity * time

Distance covered, D2 = 50 * 0.5 = 25 km

When the car was driven for 0.75 h with a velocity of 80 km/h towards the south

Distance = Velocity * time

Distance covered, D3 = 80 * 0.75 = 60 km

Total distance traveled = D1 + D2 + D3

Total distance traveled = 100 + 25 + 60

Total distance traveled = 185 km

Total time taken = 1 + 0.5 + 0.75

Total time taken = 2.25 h

Average velocity = Total distance/ total time

Average velocity = 185/2.25

Average velocity = 82.22 km/h

The average force exerted on the ball by the golf club is 490 N.

Thus,  F = p/t = 0.49 * 10³ N = 490 N.

Momentum is a metric for power and how challenging it is to stop an object. Zero momentum applies to any object that is not moving. tremendous, slow-moving objects have tremendous amounts of momentum.

A small, swiftly moving object also possesses a significant momentum. A bowling ball, for instance, has more momentum than a ping-pong ball if their velocities are equal.

This is because bowling balls are larger in mass than ping-pong balls.

Thus, The average force exerted on the ball by the golf club is 490 N.

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The power that will be produced by such a force is 12 times the initial power.

Power can be defined as the time rate of doing work. Also power can be defined as the energy expended per unit time.

Mathematically, the formula for power expended by an object is given as;

p = E / t

where;

p = w / t

where;

When a force does six times as much work in half as much time, the power becomes;

p' = (6w) / (¹/₂t)

p' = (2 x 6w) / t

p' = 12w/t

p' = 12 (p)

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The complete question is below:

a force produces power p by doing work w in a time t what power will be produced by a force that does six times as much work in half as much time?

The factor of safety for the slope stability analysis needs to be determined for a regolith slope in central California. The parameters provided include regolith cohesion, angle of internal friction, and regolith density. The analysis involves evaluating the stability of the slope under different conditions, such as changes in water depth, angle of internal friction, and slope steepness. Recommendations for the homeowners regarding the safety of their homes and potential remediation measures will also be provided.

To calculate the factor of safety, we need to consider the forces acting on the slope. The driving force is the weight of the regolith, which can be calculated by multiplying the density of the regolith by the volume of the slope. The resisting force is the shear strength of the regolith, which is determined by the cohesion and angle of internal friction. The factor of safety is the ratio of the resisting force to the driving force.

a. To determine the factor of safety, we can use the given parameters and calculate the driving force and resisting force. By dividing the resisting force by the driving force, we can obtain the factor of safety. If the factor of safety is greater than 1, it indicates that the slope is stable. If it is less than 1, the slope is considered potentially unstable.

b. If the water depth increases by 2 m, it adds additional weight to the slope, increasing the driving force. This decrease in the factor of safety suggests a less stable slope compared to the initial scenario.

c. If the angle of internal friction increases by a factor of 2, it enhances the shear strength of the regolith. This increase in the factor of safety indicates a more stable slope.

d. If the slope becomes steeper by a factor of 2, it increases the driving force. This decrease in the factor of safety suggests a less stable slope.

e. Based on the analysis, it is important to advise the homeowners that the slope is currently unstable, considering the factor of safety is less than 1. Remediation measures may include slope stabilization techniques such as installing retaining walls, soil reinforcement, or drainage systems to manage water infiltration and reduce driving forces. It is recommended to consult with a geotechnical engineer to develop a comprehensive slope stability plan for the safety of the home.

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Answer:

its carbon

Explanation:

I'm doing to questions right now

Answer:

Carbon

Explanation:

Got it right on edg

The value of the second resistor needed for Amy's voltage divider to provide 5.0 V

To determine the value of the second resistor needed for Amy's voltage divider to provide 5.0 V, we can use the voltage divider formula:

V_out = V_in * (R2 / (R1 + R2))

Where V_out is the desired output voltage (5.0 V), V_in is the input voltage from the battery (6.0 V), R1 is the value of the first resistor (330 ohms), and R2 is the value of the second resistor.

Rearranging the formula to find R2, we get:

R2 = (V_out * (R1 + R2)) / V_in

Plugging in the known values and solving:

R2 = (5.0 * (330 + R2)) / 6.0

R2 = (1650 + 5R2) 6.0

R2 = 275 + 5/6R2

R2 - 5/6R2 = 275

0.1667 R2 = 275

R2 = 165

Solving for R2, we find that its value should be approximately 165 ohms.

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Answer:

child i dont even know the answer for this question

Explanation:

The first step is to convert the parallax angle of the star to distance. We can use the formula: parallax angle in arc seconds = (distance to star in parsecs)^-1 We can rearrange this equation to isolate distance: d = (parallax angle)^-1 Therefore, the distance to the star in parsecs is:

d = (0.0190 arcseconds)^-1 = 52.6 parsecs Next, we need to find the actual distance in meters. One parsec is equivalent to 3.09 × 10^16 meters. Therefore, the distance to the star in meters is: distance = (52.6 parsecs)(3.09 × 10^16 meters/parsec) = 1.63 × 10^18 meters Now, we can use the formula for time: d = vt Solving for time: t = d/v We are told to travel at half the speed of light, which is v = 0.5c, where c is the speed of light.

Therefore, the time to travel to the star is: t = (1.63 × 10^18 meters)/(0.5c) Using the speed of light, c = 3.00 × 10^8 m/s, we get: t = (1.63 × 10^18 meters)/(0.5 × 3.00 × 10^8 m/s)t ≈ 10.9 years Therefore, it would take about 10.9 years to travel to the star if traveling at half the speed of light.

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Answer:

.8

Explanation:

40 times is 40 'cycles'     in 50 seconds

40 / 50 = .8 Hz       ( f= Hz is cycles per second)

He is moving toward the coast at a velocity of 13 m/s. James can cross a river flowing at 5 m/s in the west if he paddles his boat at 2 m/s north. There isn't any acceleration up.

The rate of change in an object's position relative to a frame of reference is called velocity, and it depends on time. An object's speed and direction of motion are specified by its velocity. A crucial idea in kinematics is velocity. The pace at which an object's position changes in relation to a frame of reference and time is referred to as its velocity.

v2 - u2 = 2as 5 - u2 = 144 - 144 + 25 = 169 U = 13 m/s

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The two-string problem is a classic problem in psychology and problem-solving. It involves trying to tie two strings that are out of reach of each other. The solution to the problem is to tie one of the strings to a plier or another heavy object and use it to swing the object towards the other string so that they can be tied together.

In this scenario, tying the pliers to one of the strings represents an intermediate state in the problem-solving process. This is because it is not the initial state, which is when both strings are out of reach of each other, but it is also not the final goal state, which is when both strings are tied together. Instead, it is a step that is taken in order to achieve the final goal state.

This problem highlights the importance of overcoming functional fixedness, which is the tendency to see objects only in terms of their typical function. By thinking creatively and using the pliers in a non-traditional way, the problem can be solved. Therefore, the answer to the question is (c) intermediate.

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Answer:

88 m ^2

Explanation:

The percentage change in any economic variable, including the Consumer Price Index (CPI), is typically measured using the following equation:

Percentage Change = ((New Value - Old Value) / Old Value) * 100

This equation calculates the difference between the new value and the old value, divided by the old value, and then multiplied by 100 to express it as a percentage.

To specifically calculate the percentage change in the CPI, you would substitute the respective values of the CPI for "New Value" and "Old Value" in the equation. This allows you to determine the percentage change in the CPI over a given period, indicating the inflation or deflation rate in the economy.

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Answer:

d

Explanation:

all of the rest are true

The electric field of the simple EM radio wave is 14.46× 10⁻³ NC⁻¹ and the wavelength of the same wave is 363.1 m.

Frequency of wave = λ = 826 Khz

Amplitude of the wave = B = 4.8 × 10¹¹

Speed of light = c = v = 3 × 10⁸ m/s

Wavelength = λ  =

= Using speed of EM wave equation,

= c = λ

= 3 × 10⁸ = 826 × 10³  λ

= λ = 363.1m

Now, the electric field of the EM radio wave is = E =

= Using electric field of wave equation E = Bv,

= E = 4.8 × 10¹¹ ×  3 × 10⁸

= E = 14.46× 10⁻³ NC⁻¹

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Answer:

Speed most often describes acceleration or a high rate of motion. ... As a verb, it means to “move along quickly,” like how you speed around on your bike. A fun fact: while speed refers to the distance traveled by an object during a specific amount of time, velocity describes that distance, but in a specified direction.

Explanation:

Explanation:yes, speed an increase in rate of which something moves

Answer:

Explanation:

given :-

force applied = 117.6N

Area = 20 m^2

Pressure =?

solution:-

Pressure = Force / Area

= 117.6 N / 20 m^2

= 5.88 Pascals

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Explanation:

Answer:

Work done, W = 8 J

Explanation:

We have,

Force acting on the cart is 4 N

Cart covers a distance of 2 m

We need to find the work done by the cart. Work done by an object is given in terms of force and displacement. It can be given by :

\(W=Fd\\\\W=4\ N\times 2\ m\\\\W=8\ J\)

So, the work done by the cart is 8 J.

The most common manifold pressure for propane furnaces is typically around 10.5 inches of water column (WC).

Manifold pressure is the pressure of the gas in the gas valve while it is not being consumed by the burners. The gas valve in a propane furnace provides a steady supply of fuel to the burners based on the pressure present in the manifold. The most common manifold pressure for propane furnaces is approximately 10.5 inches of water column (WC). This pressure can be increased or decreased slightly to suit the specific needs of the appliance, but it is not recommended to go beyond the limits established by the manufacturer, as this may cause a malfunction or even a safety hazard. In addition to propane furnaces, other gas appliances such as water heaters, ovens, and stoves also have a manifold pressure. The specific pressure requirements for each appliance can be found in the manufacturer's instructions or on the data plate attached to the appliance.

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MAIN ANSWER in 30 WORDS:
A) α = 8.8 rad/s^2; B) at = 118.8 m/s^2; C) ac = 413.52 m/s^2.

EXPLANATION PART IN 120 WORDS:
A) Angular acceleration α can be calculated using the formula α = (ω - ω0)/Δθ. Substituting values, we get α = (8.8 - 4.4)/5.5 = 0.8 rad/s^2.

B) Tangential acceleration at can be calculated using the formula at = Rα, where R is the radius of the platform. Substituting values, we get at = 34 × 0.8 = 27.2 m/s^2.

C) Final centripetal acceleration ac can be calculated using the formula ac = Rω^2, where ω is the final angular velocity. Substituting values, we get ac = 34 × 8.8^2 = 413.52 m/s^2.

Therefore, the angular acceleration is 0.8 rad/s^2, the tangential acceleration at the outer edge of the platform is 27.2 m/s^2, and the final centripetal acceleration at the outer edge of the platform is 413.52 m/s^2.

The angular acceleration of the platform is 0.8 rad/s^2, the tangential acceleration at the outer edge of the platform is 27.2 m/s^2, and the final centripetal acceleration at the outer edge of the platform is 2617.6 m/s^2.

A) The angular acceleration α of the platform can be calculated using the formula: α = (ω^2 - ω0^2) / (2Δθ). Plugging in the values, we get α = (8.8^2 - 4.4^2) / (2 * 5.5) = 44/11 rad/s².

B) The tangential acceleration at of a point on the outer edge can be calculated using the formula: at = α * R. Converting R to meters, we get R = 0.34 m. Thus, at = (44/11) * 0.34 = 1.36 m/s².

C) The final centripetal acceleration ac can be calculated using the formula: ac = ω^2 * R. Plugging in the values, we get ac = 8.8^2 * 0.34 = 26.424 m/s².

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The assumption of a constant expansion rate predicts the universe to be  older than we observe.

What is constant expansion rate of universe?

Most recently, by comparing the apparent brightness of distant standard candles to the redshift of their host galaxies, the expansion rate of the universe has been measured to be H0 = 73.24 ± 1.74 (km/s)/Mpc.

An analysis of 13.5 thousand million-year-old X-rays, captured by ESA's XMM-Newton satellite, has shown that either the Universe may be older than astronomers had thought or that mysterious, undiscovered 'iron factories' litter the early Universe.

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Answer:

Clouds are formed when moist air rises upward . As the air rises , it becomes colder. Eventually the air can't hold all of the water vapour in it, and some of water vapour condenses to form tiny water droplets... Clouds form at wide range of altitudes , from near the ground to very high in the atmosphere.

Answer:

The answer is 160 N

Explanation:

I did the test

Hope this helps :)

Answer:

A thumb only has one joint and two phalanges. The thumb is referred to as “the big finger".

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