Sunday
March 29, 2015

Homework Help: physics

Posted by jerry. on Wednesday, August 4, 2010 at 12:32pm.

a power = work/time question.

A broken car is being pushed to a garage.
a) work out the drivers output if he takes 1 hour and 45 mins to push his car 2km with a force of 900N.

b) work out the total power output if the driver has to stop for a 30 minute kip halfway.

c) the driver's maximum power output is 500W. how long would it take him to push the car to the garage at maximum output?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A 660 kg car is being pushed along a flat parking lot at a constant ...
physics 11 - A 1200 kg car on a horizontal surface starts from rest and ...
Applied Physics - When a 3600 lb automobile runs out of gas, it is pushed by its...
Repost-Physics 1 - A car is pushed along a long road that is straight, ...
Physics 1 - A car is pushed along a long road that is straight, horizontal, and ...
physics - a motorist runs out of gas and must push his 3000kg car across a flat ...
Physics Conservation of energy - A box is pushed across the floor against a ...
physics - A 250 kg car starting from rest is pushed 30m. When the car reaches ...
Physics - A 1000 kg car is accelerated from rest to 100 miles/hour in 10 seconds...
AP physics - A 1280-kg car starts from rest and accelerates to 80 km/h in 23.0 s...

Members