A 1000 kg elevator is lifted 20 m in 10 s. What is the average power delivered?
Q1. A 1000 kg elevator is lifted 20 m in 10 s. What is the average power delivered?
Answer: 19.6 kW
Explanation: Average power = mgh / t = (1000 kg * 9.8 m/s^2 * 20 m) / 10 s = 19.6 kW. Option B is incorrect due to rounding g to 10 m/s^2.