Calculate the potential energy at the top of the giant drop if the car weights 1000 kg

F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Determine the time it takes for a satellite to orbit the earth in a circular "near-earth" orbit. the definition of "near-earth" orbit is one which is at a height above the surface of the earth which is small compared to the radius of the earth, so that you may take the acceleration due to gravity as essentially the same as that on the surface. does your result depend on the mass of the satellite?