please answer these questions guys....
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selena17:
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in 22 question, apply this formula
F.∆t=mv
F×0.1=25×0.1 (100g=0.1kg)
F=25 N
in 23, same formula
F.∆t=mv
100×(1/1000)=20×v
v=0.005m/s
F.∆t=mv
F×0.1=25×0.1 (100g=0.1kg)
F=25 N
in 23, same formula
F.∆t=mv
100×(1/1000)=20×v
v=0.005m/s
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