force = mass * g
work = force * distance
power = work/time
BASIC SCIENCE. A BOY OF MASS 50KG RUNS UP A FLIGHT OF 10 STAIRS EACH OF HEIGHT 0.2M IN 5 SECONDS CALCULATE HIS POWER.
5 answers
I think your school subject is physics.
power=work /time.p=mgh=50*0.2*50/5=100
Total height runned=10*0.2=2.work done=mgh=50*10*2.time taken=5sec.power =work/time=50*10*2/5=200joules.
100% CORRECT
1 answer