If you engage in seasonal sports, such as skiing, what should you do in the off-season?

Two similar cars are driving on a hill. The red car is traveling faster than the blue car. How could the blue car have more total energy than the red car? A. The red car could be losing energy faster than the blue car. B.

You are standing in an elevator that is accelerating upward at 1m/s². Which of the following pairs of forces is an action-reaction pair that has to be exactly equal and opposite to each other?

Compute the density in g/cm3 of a piece of metal that has a mass of 0.530 kg and a volume of 79 cm3

Scientists develop theories to explain natural events. What causes scientists to reject even long-held theories and replace them with newer theories?

Suppose you wanted to use the Earth's magnetic field to make an AC generator at a location where the magnitude of the field is 0.50 mT. Your coil has 1000.0 turns and a radius of 5.0 cm.

While floating in space a 100.-kg robot throws a 0.800-kg wrench at 12.0 m/s toward its human partner working on the spaceship. How fast will the robot recoil?

What is the order of magnitude of the speed of light

A car is going 60.0 mi/h and has to stop in 6.0 seconds. What is the car's acceleration?

Stable system where forces cancel eachother out

A 1000-kg car is traveling north at 20.0 m/s. A 1500-kg car is traveling north at 36.0 m/s. The 1500-kg collides with the rear of the 1000 - kg car and they lock together.