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# What is the kinetic energy when the skater starts down hill?

Updated: 9/21/2023

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Q: What is the kinetic energy when the skater starts down hill?
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### How can energy be conserved as a skater rolls down a ramp?

When rolling down, potential energy is converted into kinetic energy. If there is no friction, this means the skater moves faster and faster. If there is energy (the usual situation), part of this movement energy (kinetic energy) will be converted into heat.

### Why is a rock on the top of a hill kinetic energy?

A rock on top of a hill has potential energy, not kinetic energy. If it starts rolling down the hill then the potential energy transforms to kinetic energy.

### A 45 kg skater is skating down a hill on roller blades at a speed of 10.0 ms What is the kinetic energy of the skater?

KE=(0.5)(m)(v)^2 KE=225J

### What energy is in a roller coaster?

Potential energy is used when going up hill on a roller coaster. When it starts gong down the potential energy is converted to kinetic energy.

### How do you make kinetic energy?

Kinetic Energy is moving energy. Here's a small experiment: 1. Throw a ball in the air (Straight up) 2. Watch it 3. When starts falling down, that's kinetic energy

### How do you make kinetic?

Kinetic Energy is moving energy. Here's a small experiment: 1. Throw a ball in the air (Straight up) 2. Watch it 3. When starts falling down, that's kinetic energy

### A 45 kg skater is skating down a hill on roller blades at a a speed of 10 ms what is the kinetic energy of the skater?

KE = 1/2mV2 KE = 1/2(30 kg)( 5m/s)2 = 750 joules of kinetic energy ===================

kinetic energy

### Is rolling down a hill potential or kinetic energy?

Yes, because potential energy is energy stored but kinetic is energy in motion.

### Is a pushed down spring kinetic energy?

No the energy stored in a compressed spring is not kinetic energy.

### How does an airplane flying have kinetic energy?

It has kinetic energy because it is moving. Just because it is in the air doesn't mean that it can't have kinetic energy.

### What is an example of kinetic energy decreasing and potential energy increasing?

In a rollercoaster, potential [[i believe]] is the highest when it starts, or rises, and vice versa for descreasing kinetic energy. Throwing a basketball in the air, when it reaches it's highest point, it's potential energy is at it's maximum and the kinetic energy is low for a moment until it comes back down