a man riding a cycle with velocity 72 kmph having a slope 1 in 20 total mass of the man and cycle is 100kg the power of the man is a) 98W b) 49W c) 196W d) 147 W please answer along with solution it's urgent please....
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Force along the plane = mg Sinθ
= 100 kg × 9.8 m/s² × 1/20
= 49 N
Power = Force × Velocity
= 49 N × (72 × 5/18) m/s
= 980 watts
None of the option is correct.
= 100 kg × 9.8 m/s² × 1/20
= 49 N
Power = Force × Velocity
= 49 N × (72 × 5/18) m/s
= 980 watts
None of the option is correct.
mallikarjun5:
it is in km
not in m then 98 will be the right answer
72 kmph = 20 m/s
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