Amachine has a mechanical advantage of 5. what force should be applied to the machine to make it apply 3000 n to an object?

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery