A car accelerates from 0 to 20 m/s in 4 s. If its mass is 1500 kg, what is the average power delivered?
Q1. A car accelerates from 0 to 20 m/s in 4 s. If its mass is 1500 kg, what is the average power delivered?
Answer: 75 kW
Explanation: Average power = ΔKE / Δt = (0.5 * 1500 kg * (20 m/s)^2) / 4 s = 75 kW. Option A is incorrect due to miscalculation.