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I'm stuck! Please help! I have been looking @ this problem for 2 hours! :uhh:
A 1200 kg car has a speed of 30 m/s - it runs out of gas and coasts, stopping in 40 secs. What is average force of friction on the car?
Do you find the car's acceleration first? There is no force, so you can't use a=F/m
A 1200 kg car has a speed of 30 m/s - it runs out of gas and coasts, stopping in 40 secs. What is average force of friction on the car?
Do you find the car's acceleration first? There is no force, so you can't use a=F/m