Recent content by dzem68

This should be easy...the problem asks for the amount of work needed to stop a 1000kg car traveling @ 100km/h. I am having a hard time do to the fact acceleration,distance nor time is given. here is how I think i need to approach this: convert 1000km/h to m/sec find acceleration...

Thanks ShawnD! I read through your respons and I think I actually understand the concepts!

Work Done? If someone has the time and patience could you help me in setting this problem up? 300kg object moves 4.5 meters down a 25 degree incline at a constant speed. It is kept from accelerating by a force pushing back on it. The effective coefficient of friction is .39 I need to...