Question

JA 100 g ball thrown vertically upward with speed of
10 m/s rises to a maximum height of 2 m. The
work done by resistive forces is (g = 10 m/s2).​

Answer 1

m=100g = 0.1kg

g=10m/s2

S=2m

Work done = -mgS [-ve denotes resistive forces]

= -0.1*10*2

= -2 J

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