A car has a speed of 2 m/s and a mass of 1500 kg. What is th car's kinetic energy?

Is weightlifting an example of newton's 3rd law of motion? if so explain.

An elastic cord has a spring constant of 38 N/m. How much force is required to stretch the cord 0.3 m past its natural length?

a car starts frome rest and accelerattes uniformly over a time of 2 seconds for a distance of 80m. determine the acceleration of the car

Yung's experiment is performed with light of wavelength 502 nm from excited helium atoms. Fringes are measured carefully on a screen 1.

True/false: a single atom of an element in molecular and empirical formulas does not require a subscript

Describe a beach that was near stormy seas and powerful waves

We all depend on electricity. Most electricity is created by electromagnetic generators at large power plants and distributed through an electric grid.

A rock with mass m = 4.00 kg falls from rest in a viscous medium. The rock is acted on by a net constant downward force of F = 17.

On arrival at a vehicle collision, you observe a small fire in the engine compartment. A bystander is attempting to smother the fire with a jacket as you approach with an A-B-C extinguisher from your ambulance.

Gertrude writes a short story in which the main character must enter a nuclear-powered spaceship's engine room that has lost its shielding in order to prevent the engine from flooding the rest of the ship with radiation.