Question

a ball of mass 0.5 kg slows down from a speed of 5 m/s that if 3m/s. calculate the change in kinetic energy of a ball....​

Answer 1

Answer:

m = 0.5 kg.

u = 5 m/s

v = 3 m/s

K.E. = m(v²-u²) = 0.5×[(5)²-(3)²]

= 0.5×(25-9) = 0.5×16 = 8J

Explanation:

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