Al llegar a detenerse, un automóvil deja marcas de derrape de 92m de largo sobre una autopista. Si se supone una desaceleración de 7 m/s, estime la rapidez del automóvil justo antes de frenar

An astronomer observes an asteroid in the solar system. He notes that the asteroid is three times farther from the Sun than Earth is. How far away from the Sun is the asteroid in astronomical units?

Under what conditions will an object experience a gravitational force? Under what conditions will an object experience an electric force? Under what conditions will an object experience a magnetic force?

An electric motor converts electric energy into what type of energy? potential thermal magnetic mechanical

What is secondary succession? give an example.

If you are at a train station and a train comes toward you, the train blows its whistle. as the train comes closer the whistle gets louder and as the train gets farther the whistle is quieter. What is this effect called?

perature is 0◦F. How much taller is the building when the temperature is 107◦F? The linear expansion coefficient of steel is 1.1 * 10-5 (◦C) - 1.

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

What conditions must be present for a translational and rotational equilibrium of a rigid body?

In objects motion will not change is the force is acting on the object are blank

How fast or slow an object is moving and in what direction