Question 10
Question 10 of 40

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Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct

Topics Tested

derive, using the equations of motion, the formula for kinetic energy EK = ½mv²

recall that, for an elastic collision, total kinetic energy is conserved and the relative speed of approach is equal to the relative speed of separation