Why does a cheetah run really fast?

Describe how a moving roller skate and a moving truck can have the same momentum?

Are dinosaur footprints original remains?

What is meant by uniform acceleration

The moon clearly exhibits a light and dark portion during most of the month except during full moon. What causes the dark portion of any phase to change in size, that is, become either more or less black?

Victoria has a crate of vegetables that weighs 100 newtons. She exerts a force of 100 newtons to lift the crate with a pulley. What's the mechanical advantage in this situation?

If the moon disapared what affect would this have on earths tides

Newtons first law states that no force is required to maintain motion in a straight line at a constant speed. If newtons first law is true, why must we continue to pedal a bicycle on a level surface to keep moving?

A box is lowered using a rope. If the acceleration of the box, is 3.3 m/s2 (downward) and its mass is 29.1 kg, what is the magnitude of the tension in the rope?

Why si system been developed? Give reason.

un objeto se lanza verticalmente hacia arriba con una velocidad de 40 km/h calcular el tiempo que tarda cuando alcanza su altura maxima