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What is the formula for calculating kinetic energy?

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Question: What is the formula for calculating kinetic energy?

Options:

  1. KE = mv²
  2. KE = 1/2 mv²
  3. KE = mgh
  4. KE = 1/2 mgh

Correct Answer: KE = 1/2 mv²

Solution:

The formula for calculating kinetic energy is KE = 1/2 mv², where m is mass and v is velocity.

What is the formula for calculating kinetic energy?

Practice Questions

Q1
What is the formula for calculating kinetic energy?
  1. KE = mv²
  2. KE = 1/2 mv²
  3. KE = mgh
  4. KE = 1/2 mgh

Questions & Step-by-Step Solutions

What is the formula for calculating kinetic energy?
  • Step 1: Understand that kinetic energy (KE) is the energy an object has due to its motion.
  • Step 2: Identify the formula for kinetic energy, which is KE = 1/2 mv².
  • Step 3: In the formula, 'm' represents the mass of the object, measured in kilograms (kg).
  • Step 4: In the formula, 'v' represents the velocity of the object, measured in meters per second (m/s).
  • Step 5: To calculate kinetic energy, first square the velocity (v²).
  • Step 6: Multiply the squared velocity by the mass (m).
  • Step 7: Finally, multiply the result by 1/2 to get the kinetic energy (KE).
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