Question 45
The Kinetic energy of a ball weighing 0.5 kg moving with a velocity of 4 m/s will be:
Solution
Mass = 0.5 kg
velocity = 4 m/s
kinetic energy is given as= $$\frac{1}{2}mv^2=\frac{1}{2}\times\ 0.5\times\ 4^2=4$$ joule.
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