You need to log-in or subscribe in order to use Student access.

Problems: Power

1. A 1000kg car with an 80kW engine travels at a constant speed of 20ms-1. Calculate the instantaneous acceleration of the car if the driver suddenly took her foot off the accelerator pedal.2. Calculate the power of a 1000kg car driving up a 1in4 hill at a speed of 10ms-1 if the air resistance acting against the car is 1000N.

To access the entire contents of this site, you need to log in or subscribe to it.

Alternatively, you can request a one month free trial.