An object of mass 2 kg has a speed of 8 m/s and moves a distance of 6m. What is its kinetic energy in joules?
A. 64
B. 48
C. 289
D. 16
Ans: A. 64
KE=1/2 mv^2
Given-m=2kg;
V= 8m/s
=1/2×2×8×8
= 8×8
=64 joule
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