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CHIDIEBERE
Questions (3)
A 2kg mass is dropped from a 12m height at what height would the velocity be 5m/s? take g=10m/s square.
2 answers
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find the maximum velocity of a swingling pendulum bob.Hint potential energy(P.E)=kinetic energy(K.E)
2 answers
439 views
A body is displaced through a certain distance x by a force of 30 newtons.if the work done is 100 joules and the displacement is
21 answers
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Answers (4)
Y AR dE not ANswERinG mY qUeStIoNs.
100% CORRECT
Total height runned=10*0.2=2.work done=mgh=50*10*2.time taken=5sec.power =work/time=50*10*2/5=200joules.
power=work /time.p=mgh=50*0.2*50/5=100
