There are more electrons than protons in a negatively charged atom.

1. True

2. False

How many motions variables do each of kinematic equations have

The study of the evolution and the mind using principles of natural selection is evolution

A 1200 kg car moving at 7.8 m/s collides with a stationary car of mass 1500 kg. if the two vehicles lock together, what is their combined velocity immediately after the collision?

a net force of 100 newton's is a moving mass with an acceleration of 5 m/s. what is the mass of the object?

How is 1 hectoliter different from 1 kiloliter? A hectoliter is 10 times smaller than a kiloliter. A hectoliter is 100 times smaller than a kiloliter. A hectoliter is 10 times bigger than a kiloliter.

5. A massless string passes over a frictionless pulley and carries mass m, hanging at one end and mass 'mz' connected by another mass less sting to mass 'mz' at the other end as shown in figure.

Consider a brick that is totally immersed in water, with the long edge of the brick vertical. the pressure on the brick is

Which of the following are examples of projectile motion? Check all that apply. A. An object pushed up a hill B. An object that is launched horizontally off a cliff C. An object thrown upward at an angle D.

When generators are spun by turbines, they a. Produce nuclear energy. B. Store potential energy. C. Produce electricity. D. Burn fossil fuels.

How could gravitational potential energy be useful