Question
Problem 1: This Audi R8 accelerates from 0-60 mph (96.6 kph) in 3.1 seconds. It weighs about 3583 pounds (1625 kg). Estimate its power in
Problem 1:
This Audi R8 accelerates from 0-60 mph (96.6 kph) in 3.1 seconds. It weighs about 3583 pounds (1625 kg). Estimate its power in kW. On the Audi website, the car is advertised as having 550 horsepower (equivalent to around 400 kW). Why do you think there is a difference between the value you calculated and the value on the website?
Problem 2:
Determine the power transmitted through the a shaft rotating at 4000 rpm if the applied torque is 200 N-m.
Problem 3:
How much work (in kJ) can a spring with a spring constant 3 kN/m produce after it has been compressed 3 cm from its unloaded length?
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