“suppose you throw a football upward. is it true or wrong to say that you have not increased the internal energy of the air within the football? ”

What is meant by the statement" the melting poin of glycerine is 13 degree celsius

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?

In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy