On which planet would a 15. 0 kg object weigh the most? How much would a 15. 0 kg object weigh on that planet? Round the answer to the nearest whole number

Answer:

The train's acceleration is 4.5 m/s²

Explanation:

The train's speed increased by 45 m/s after 10 seconds, which means that it's speed increased by 4.5 m/s each second, or rather 4.5m/s²

The ball interacts with the bat with an average vector force of 759.52 N.

The average vector force the ball exerts on the bat during their interaction is found as follows:

Initial velocity of the ball ,

u = 48.0 m/s

Final velocity of the ball after hitting the bat,

v = 59.0 m/s

Duration of the collision,

t = 2.10 ms = 2.10 × 10⁻³ s

Mass of the ball,

m = 145 g = 0.145 kg

Initial momentum of the ball,

p₁ = mu = 0.145 × 48

   = 6.96 kg m/s

Final momentum of the ball,

p₂ = mv = 0.145 × 59

    = 8.555 kg m/s

Change in momentum of the ball,

Δp = p₂ - p₁

     = 8.555 - 6.96

     = 1.595 kg m/s

Average vector force on the ball during their interaction is given by:

F = Δp / t

F = 1.595 / 2.10 × 10⁻³

F = 759.52 N

The ball interacts with the bat with an average vector force of 759.52 N.

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Both balls have the same final speed.

Based on Newton's second law of motion,

force = momentum/time change

Momentum change = force time

(force time)/mass = change in speed

When two 1.0 kg stationary cue balls are struck by cue sticks with equal force and time.

Therefore both stationary cube balls will have the same final speed.

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Answer

U Max velocity= Potential energy= kinetic energy

The potential energy is the product of mass * acceleration due to gravity * height

The kinetic energy is the product of 1/2 mass* square of velocity.

Max Velocity=mgh= 1/2mv^2

Mass is given as 62kg, height =1.2m and g= 9.8m/s^2

62kg* 9.8m/s^2*1.2= 1/2*62kg* v^2

729.12=31v^2

V^2= 729.12/31 =23.52

V^2=square root of 23.52

V= 4.85m/s

Answer:

Gravity.

Explanation:

The force that controls the movement of the planets around the sun, holds together stars grouped in galaxies, and galaxies grouped in clusters is called gravity.

This ultimately implies that, gravity is considered to be a universal force of attraction that acts between all objects that has both mass, energy and occupy space. Therefore, it acts in such a way as to bring objects together.

Additionally, the gravity of earth makes it possible for all physical objects to possess weight.

Weight can be defined as the force acting on a body or an object as a result of gravity.

Mathematically, weight is given by the formula;

\( Weight = mg \)

Where;

m is the mass of an object.

g is acceleration due to gravity.

After 2 seconds, object 1 travels a greater distance than object 2 travels.

Objects have the same velocity only if they are transferring at the same pace and within an identical route. Objects moving at different speeds, in specific instructions, or each having specific velocities. An object shifting inside the fine path at a steady pace could be represented on a v-t graph through a horizontal line (slope = a = 0 m/s/s) positioned inside the + velocity place.

the velocity might be positive each time the line lies inside the positive location (above the x-axis) of the graph. further, the rate might be negative every time the road lies within the negative region (underneath the x-axis) of the graph.

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Violet and yellow light are both colors that are part of the visible spectrum, which is the range of colors that can be seen by the human eye. When comparing violet and yellow light, one important factor to consider is the wavelength of each color.

Violet light has a shorter wavelength than yellow light. The wavelength of violet light is approximately 400-450 nanometers, while the wavelength of yellow light is approximately 570-590 nanometers. This means that violet light has a higher frequency and more energy than yellow light.

Because of its shorter wavelength, violet light is often associated with properties such as creativity, spirituality, and intuition. It is also known for its ability to stimulate the brain and enhance concentration. On the other hand, yellow light is often associated with positivity, happiness, and warmth. It is also known for its ability to improve mood and boost energy levels.

Overall, while both violet and yellow light are important colors in the visible spectrum, they differ in their wavelength and associated properties.

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The angular velocity of the ISS is 0.012 rad/s. the height above the Earth's surface at which the ISS orbits is 408 km. the tangential speed of the ISS is 7 km/s.

a) Calculate the angular velocity of the ISS.

The angular velocity of the ISS can be calculated using the following formula:

ω = v / r

where:

ω is the angular velocity in radians per second

v is the tangential velocity in meters per second

r is the radius of the orbit in meters

The tangential velocity of the ISS is the speed at which it travels along the circumference of its orbit. The radius of the ISS's orbit is the distance from the center of the Earth to the ISS.

In this case, the tangential velocity of the ISS is 7.66 kilometers per second. The radius of the ISS's orbit is 6371 kilometers. Therefore, the angular velocity of the ISS is:

ω = 7.66 km/s / 6371 km = 0.012 rad/s

b) Calculate the height above the Earth’s surface at which the ISS orbits.

The height above the Earth's surface at which the ISS orbits can be calculated using the following formula:

h = r * (1 - (1 - e^2)^(1/2))

where:

h is the height above the Earth's surface in meters

r is the radius of the Earth in meters

e is the eccentricity of the orbit

The eccentricity of the ISS's orbit is 0.016. Therefore, the height above the Earth's surface at which the ISS orbits is:

h = 6371 km * (1 - (1 - 0.016^2)^(1/2)) = 408 km

c) Calculate the tangential (linear) speed the ISS must travel to maintain this orbit.

The tangential speed of the ISS can be calculated using the following formula:

v = ω * r

where:

v is the tangential speed in meters per second

ω is the angular velocity in radians per second

r is the radius of the orbit in meters

The angular velocity of the ISS is 0.012 rad/s. The radius of the ISS's orbit is 6371 kilometers. Therefore, the tangential speed of the ISS is:

v = 0.012 rad/s * 6371 km = 7.66 km/s

rounded to the nearest whole number: 7 km/s

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Answer:

about 343 metres per second

Answer:

0.303 seconds

Explanation:

We need to find the time that the cell phone takes to reach the sink. So, we will use the following equation

Where

yi is the initial position, so yi = 0.45 m

vi is the initial velocity. Since it is freefall, vi = 0 m/s

a is the acceleration due to gravity, so a = -9.8 m/s²

y is the final position, so y = 0 m

t is the variable that we need to find.

So, replacing the values, we get:

Now, we can solve for t

Therefore, you have 0.303 seconds before your cell phone is ruined.

Answer: Physical weathering is when a rock is broken through the force of another physical substance on the rock like ice, running water, or wind. On the other hand, chemical weathering is when a reaction occurs between the rock and another substance that causes the rock to dissolve (chemical reaction), which changes the identity of the rock.

Explanation:

Physical = breakdown of rocks and minerals

Chemical = chemical breakdown of rocks

Answer:

Explanation:

The flea's initial velocity while jumping straight up is 2.96 m/s.

The rate at which in displacement is known as velocity. Acceleration is the measure of a change in velocity. Due to the fact that it includes both magnitude and direction, velocity is an vector quantity. Acceleration is a vector quantity because it is the speed at which velocity varies.

v² = u² – 2gh (since the ball is going against gravity)

0² = u² – (2 × 9.8 × 0.45)

0 = u² – 8.82

u² = 0 +8.82

u² = 8.82

u = √8.82

u = 2.96m/s

Thus, the initial velocity is 2.96m/s

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Answer:

They can be penetrated only with longer wavelengths such as radio and infrared.

Explanation:

A dark nebula can be defined as an interstellar cloud that is so dense as a result of high concentration of gas and dust and as such it obscures the visible wavelengths of light from stars behind it, thus appearing completely opaque (dark patch) in front of a bright emission nebula or in regions having  plenty stars.

Hence, dark nebulae can be penetrated only with longer wavelengths such as radio and infrared light because they cannot be absorbed by the dust layers or particles coated with frozen carbon monoxide and nitrogen residing in the dark nebulae.

Fx = 295.4N

180°-90°-35°= 55°

F= m(a)

Fy = 43kg(9.81m/s²)

Fy = 421.83N

tan(55°) = 421.83N/Fx

Fx = 421.83N/tan(55°)

Fx = 295.3685458N

Each component describes the influence of that chain in the given direction. The vertical component describes the upward influence of the force upon Fido and the horizontal component describes the rightward influence of the force upon Fido.

The kinetic frictional force is always in the direction opposite to the velocity of the object.

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Answer:

The tendeny  of a body to continue its state either motion or rest is called inertia . First  law of newton also called law of inertia .

There are three types of inertia  

1. Motion inertia

2. Rest inertia

3. Directional inertia

Explanation:

Mark brainliest if you undersand

Answer:

actually misstanyasharma wali I'd mene log out kar di , aur i forgot the password , and the next one is I'm using

To calculate the volume of the patient, we can use the principle of buoyancy, which states that the buoyant force acting on an object immersed in a fluid is equal to the weight of the fluid displaced by the object.

The weight of the water displaced by the patient can be calculated as follows:

Weight of water displaced = Weight on regular scale - Weight in water

= 600 N - 60 N

= 540 N

The volume of water displaced is equal to the volume of the patient, so we can use the density of water to calculate the volume:

Volume of patient = Weight of water displaced / Density of water / Acceleration due to gravity

= 540 N / (1000 kg/m³) / (10 m/s²)

= 0.054 m³

Therefore, the volume of the patient is 0.054 m³.

Answer: 0.054 m³.

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Answer:

Excessive paranoia, worry, or anxiety.

Long-lasting sadness or irritability.

Extreme changes in moods.

Social withdrawal.

Dramatic changes in eating or sleeping patter

Explanation:

hope it helps brainliest if right thx :)

The strength of the electric field at (2.0m, 3.0m) is 880 V/m and the direction of the electric field is 116.6 degrees counterclockwise from the positive x-axis.

To find the electric field strength and direction, we need to take the negative gradient of the electric potential. Therefore, we first need to find the partial derivatives of V with respect to x and y:

Vx = 400x V/m

Vy = -440y V/m

Next, we can calculate the electric field components:

Ex = -Vx = -400x V/m

Ey = -Vy = 440y V/m

At the point (2.0m, 3.0m), the electric field strength can be calculated as:

E = sqrt(Ex^2 + Ey^2) = sqrt((-400x)^2 + (440y)^2) = 880 V/m

The direction of the electric field can be determined as:

theta = arctan(Ey/Ex) = arctan(440y/(-400x)) = 116.6 degrees counterclockwise from the positive x-axis.

Therefore, the electric field strength at (2.0m, 3.0m) is 880 V/m and the direction of the electric field is 116.6 degrees counterclockwise from the positive x-axis.

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According to the given statement , the potential difference V across the resistor R is 3105 V.

To find the potential difference V, we can use Ohm's Law and the formula for the potential difference across a capacitor.

First, let's calculate the current flowing through the circuit. We are given that I = 2.5 A.

Next, we can calculate the total resistance in the circuit using the formula R = R₁ + R₂. Given that R₁ = 40 Ω and R₂ = 1202 Ω, we can calculate the total resistance:

R = 40 Ω + 1202 Ω = 1242 Ω

Now, we can calculate the charge stored in the capacitor using the formula Q = C * V, where Q is the charge, C is the capacitance, and V is the potential difference across the capacitor. We are given that Q = 18 μC and C = 3 μF. Plugging these values into the formula, we can solve for V:

18 μC = 3 μF * V
V = 18 μC / 3 μF
V = 6 V

Finally, we can calculate the potential difference V across the resistor R. Using Ohm's Law, we can use the formula V = I * R:

V = 2.5 A * 1242 Ω
V = 3105 V

So, the potential difference V across the resistor R is 3105 V.

In conclusion, the potential difference V across the resistor R is 3105 V.

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Answer:

One would need to know how far apart the towns are:

T = SA / 40      time it takes for first cyclist to travel S1

T = SB / 60       time it takes for cyclist B to travel distance S2

SA + SB = S     the distance between the towns

SB = 60 / 40 SA = 1.5 SA

SA + 1.5 SA = S

S = 2.5 SA where cyclist travels distance SA

The time will depend on the separation of the towns.

Jet aircraft naturally accelerate quickly during takeoff. There is barely any air resistance. Weight, drag, thrust, and normal force are the forces that the jet plane is subject to.

Issac Newton discovered that every action has a corresponding and diametrically opposed reaction. While an engine pushes air backward, for instance, the airplane will move forward with a similar but opposing force. In order for the plane to fly in the opposite direction, each engine expels air in one direction. Thrust is the name for this reactive force.

Jet aircraft operate under the conservation of momentum principle, which states that if the system's starting momentum was zero, therefore the system's final momentum must also be zero. Hence, the recoil of the fuel gasses ejected in the backward direction causes the jet to proceed in the forward direction.

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Answer:

the work done in raising the load is 24,750 J

Explanation:

Given;

load lifted by the crane with a force, F = 2750 N

height through which the load was raised, h = 9.0 m

The work done by the crane in raising the load is calculated as;

W =  F x h

W = 2750 x 9

W = 24,750 J

Therefore, the work done by the crane in raising the load is 24,750 J

Grief can be defined as a natural response to loss. Some of the most common states of grieving are denial, isolation, anger, depression, and acceptance.

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Given,

The mass of the object, m=2.1 kg

The speed of the object, v=25 m/s

Kinetic energy is the energy that an object possesses due to its motion. And potential energy is the energy that an object possesses due to its position.

The gravitational potential energy depends on the height of the object. As the change in the height of the object is not mentioned in the question, let us assume that there is no change in the potential energy.

The velocity of the object, however, changes. Thus the energy possessed by the object is the kinetic energy.

And the kinetic is given by

On substituting the known values,

Thus the kinetic energy of the ball is 656.25 J

: Molecular magnet can refer to : molecular based magnet . An unconventional magnetic material that consists of organic molecules cordination compounds and combination

The final speed of the go-cart in this inelastic collision is 70 m/s. The result is obtained by using the concept of inelastic collision.

The inelastic collision of two objects occur when some of the kinetic energy is lost, converted to other forms. It means that the law of conservation of kinetic energy doesn't apply.

In this case, both objects will stick together and move together with the same speed. The law of conservation of momentum applies.

m₁v₁ + m₂v₂ = m₁v₁' + m₂v₂'

Where

The 4-wheeler collides with the go-cart in inelastic collision.

Find the final speed of the go-cart!

Note that this is an inelastic collision. In this case, the 4-wheeler and go-cart will stick together and move with the same speed.

The formula for conservation of momentum will be

m₁v₁ + m₂v₂ = m₁v₁' + m₂v₂'

m₁v₁ + m₂v₂ = (m₁ + m₂)v'

It means that

v₁' = v₂' = v'

The final speed of the go-cart is the same with the final speed of the 4-wheeler.

v₂' = v₁' = 70 m/s

Hence, the go-cart will have the final speed of 70 m/s.

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