It takes 180 kj of work to accelerate a car from 21.0 m/s to 27.0 m/s. what is the car's mass?

As a rock rolls down a hill, which types of energy are changing? A. Light energy and gravitational potential energy B. Kinetic energy and nuclear energy C. Elastic energy and sound energy D. Gravitational potential energy and kinetic energy

Explain why the types of technology valued can vary.

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance? luster hardness density viscosity

How does an unbalanced force affect an object?

Which simple machines make up a wheelbarrow?

Is the following sentence true or false? Two atoms of the same element can have different numbers of protons.

Definition of mechanical weathering

If you double the force of an object what happens to the acceleration?

A particle (mass - 5 g. charge 30 mC) moves in a region of space where the electric field is uniform and is given by Ex 4.8 N/C, Ey-E. 0. If the velocity of the particle att-O is given by v,-40 m/s V, v-0, what is the speed of the particle at t3 s?

When the Egyptians noticed this celestial body rising before the Sun it indicated to them the coming of the Nile flood.