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Which is A 2 kg ball is thrown upward with a velocity of 10 m s What is its kinetic energy at its maximum height?
If the ball's motion is in the horizontal direction, not far at all. So, let's assume you mean the ball's motion is entirely in the vertical direction, and the 50 joules represents the kinetic energy of the ball. If the 50 joules is all kinetic and the ball is heading upward, it will reach its highest point when its kinetic energy is zero and its potential energy due to gravity is at its greatest. At that point all the kinetic energy will have been turned into potential energy, so when the ball is at its apex, its potential energy will be 50 joules. The formula is pretty simple: Ep = mgh. In English, the potential energy, Ep, is the product of the mass, the acceleration due to gravity, and height. So, 50 = 2 * 9.8 * h. Solving for h gives you h = 2.55 meters.
What else can I help you with?
What is the kinetic energy of an object weighing 65 kg dropped from a height of 40m?
Kinetic energy is dependent on which point you are talking about. When it is about to be dropped, kinetic energy is zero. When it reaches almost hits the ground, there is maximum kinetic energy.
Explain how the maximum height is related to the maximum potential energy?
This question makes sense in the context of something like a pendulum. At the top of its swing, a pendulum is at maximum height, is not moving and so has zero kinetic energy, and has maximum potential energy since all its energy is potential. As it falls, it gradually moves with increasing speed, so its potential energy is being converted to kinetic energy. At the bottom of the swing, it is moving at maximum speed, and all its energy is kinetic, none is potential, Then it starts to move upwards again, and its kinetic energy is gradually converted back to potential energy.
How does kinetic energy relate to potential energy?
Think of potential energy as stored energy, and kinetic energy as energy that puts an object in motion (i.e., increases the magnitude of velocity). In general you can set them equal to each other, to for example determine the velocity an object will be atLet U = kinetic energy and K = kinetic energyU = mgh (mass, gravity, height)K = (1/2)mv2 (mass, velocity)If you set U and K equal to each other.U = Kmgh = (1/2)mv2masses cancel out leaving you withv2= 2gh (or about 20h)The higher an object is from the surface of the ground, the more potential energy it has. Looking at the equation I listed, you can see velocity get's higher as height increases. The velocity in this equation is what velocity it would be at the instant the object hit the surface.
What point on the halfpipe does the skateboarder possess only kinetic energy and no potential energy?
At the bottom , where all potential energy has been converted to kinetic
Do you add or subtract to calcuate mechanical energy?
To calculate mechanical energy, you typically add the kinetic energy (0.5 * mass * velocity^2) to the potential energy (mass * gravity * height). The total mechanical energy is the sum of these two forms of energy.
What happens to the velocity of a projectile at its maximum height?
The velocity of a projectile at its maximum height is zero. This is because at the highest point of the projectile's trajectory, all of its initial kinetic energy has been converted into potential energy, causing the velocity to momentarily become zero.
What is the maximum amount of kinetic energy made from potential energy with 5kg mass?
The height in meters and the velocity in m/s are needed.
What is the relationship between velocity and height?
Velocity and height are related through the concept of kinetic and potential energy. As an object gains height, it typically loses velocity (kinetic energy) due to gravity acting against its upward motion. Conversely, as an object loses height, it gains velocity as its potential energy is converted back into kinetic energy.
What is the maximum height hmax that an object will reach when its initial kinetic energy is converted into potential energy, according to the principle of conservation of energy?
The maximum height an object will reach when its initial kinetic energy is converted into potential energy is determined by the principle of conservation of energy. This height is known as the maximum height (hmax).
A ball is thrown straight up into the air at what position is its gravitational potential energy maximum?
Kinetic energy is at its maximum when the velocity of the ball is greatest. This will occur immediately upon release. Air resistance will slow the ball from this point and unless the ball falls back past its original starting height, it will never achieve a velocity greater than that with which it starts.
What is the kinetic energy of an object weighing 65 kg dropped from a height of 40m?
Kinetic energy is dependent on which point you are talking about. When it is about to be dropped, kinetic energy is zero. When it reaches almost hits the ground, there is maximum kinetic energy.
Which has more kinetic energy a ball dropped from a height of 2m or a same ball dropped at 4m which has more kinetic energy just before it hits the ground?
The ball dropped from 4m height has more kinetic energy just before it hits the ground because it has a higher velocity due to falling from a greater height. Kinetic energy is directly proportional to both mass and the square of velocity, so the ball dropped from 4m height will have more kinetic energy than the one dropped from 2m height.
What happens to the velocity as the height increases?
As height increases, the velocity generally decreases due to the effect of gravity. This is because potential energy increases while kinetic energy decreases, resulting in a slower velocity.
Which of the following situations describes an object's kinetic energy being converted into gravitational potential energy?
Dropping something from a height.
If you throw a ball into the air where will it have the greatest gravitational potential energy?
The ball has the highest gravitational potential energy when it is at its highest point in the air, as that is when it has a velocity of zero and is up the highest.
How do you calculate velocity using kinetic energy?
You cannot directly calculate velocity using kinetic energy alone. Kinetic energy is defined as (1/2)mv^2, where m is mass and v is velocity. You can, however, use kinetic energy along with other information like mass or height to calculate velocity using principles of energy conservation.
What is the kinetic energy when the skater starts down hill?
The kinetic energy of the skater when they start going downhill will depend on their mass, velocity, and the height of the hill. Kinetic energy is given by the formula KE = 0.5 * mass * velocity^2. As the skater begins going downhill, their potential energy will decrease and convert into kinetic energy.
