A 50 kg person climbs a staircase 4 m high in 10 s. What is the average power delivered?
Q1. A 50 kg person climbs a staircase 4 m high in 10 s. What is the average power delivered?
Answer: 196 W
Explanation: Average power = mgh / t = (50 kg * 9.8 m/s^2 * 4 m) / 10 s = 196 W. Option B is incorrect due to rounding g to 10 m/s^2.