Calculate the force at sea level that a boy of mass 50 kg exerts on a chair in which he is sitting.

Name a force that opposes the movement of an object through water.

A collision between two billiard balls isa.) closely, a perfectly elastic collisionb.) an elastic or an inelastic collision, depending on the angel between the paths of the ballsc.) a perfectly inelastic collision.

Covert the names below into formulas in an equation then balance the equation 1.) Aluminum bromide plus chlorine yields aluminum chlorine plus bromine 2.) sodium phosphate + calcium chloride yields calcium phosphate + sodium chloride

Can a body possess both kinetic and potential energy

Which statement is true about an object that sinks in water?

At what temperature did the substance in the test tube into a solid?

What occurs when the velocity of Earth is doubled? a. The orbit of Earth around the Sun becomes smaller b. The orbit of Earth does not change c. The Earth escapes the Sun d. The orbit becomes more elliptical

When is a body said to be at rest

27. Calculate the impulse when an average force of 10 N acts on a cart for 5.0 s.

A boy on a bicycle is resting at the top of a hill then he rides his bicycle down the hill describe how the boy potential and kineti energy differ at the top middle and bottom of the him