A 60 kg person climb the stairs of height 20m in 10 minutes. Calculate the power delivered.
20 W
10 W
30 W
60 W
We know, power = workdonetime;
= mghtime
= 60 × 10 × 2010×60;
= 20 Nm/second
= 20 watt.
A 60 kg person climbs the stairs of height 20m in 10 minutes. Calculate the power delivered. Take g=10m/s2.