What is the kinetic energy (in J) of a body moving at ?

Answer and explanation

Correct answer: A. 32

  1. Step 1: The kinetic energy of a body in translational motion is given by .
  2. Step 2: Substitute mass and velocity : .
  3. Step 3: Evaluating the expression gives .
Answer
32.
Why not the others: 64 computes without the factor; 16 computes momentum ; 128 doubles .

Practise more Work, energy and power.

Free questions with an explanation for every one, and full timed NEET UG mock tests.

All Work, energy and power questionsTake a mock test

More Work, energy and power questions