What is the definition of light

Two rocks collide in outer space. Before the collision, one rock had mass 11 kg and velocity ‹ 4250, - 2950, 2500 › m/s. The other rock had mass 6 kg and velocity ‹ - 700, 2150, 3700 › m/s.

A dog having a mass of 32.0 kg runs at a constant pace of 9.50 km/hr. What is the magnitude of the dog's momentum?

When two pulses meet up with each other while moving through the same medium, they have a tendency to bounce off each other and return back to their origin?

Can you walk on the moon

Which type of force is changing the object's speed and direction when a toy clown pops out of a jack-in-the-box? A. gravitational B. push C. magnetism D. pull

A swimmer jumps from a waterfall thats is 8.5 m high from the lake below. How fast must he run horizontally to dive 2.5m away from the base of the waterfall?

What happens (as far as energy goes) when a molecule of gas strikes the wall of a container?

The boom of a fire truck raises a fireman (and his equipment - total weight 280 lbf) 60 ft into the air to fight a building fire.

Two masses are separated by 1 m. suppose the masses are moved so they are 2 m apart how will the gravitational force change

Bob rubs a piece of fur on a hand rubber rod, giving the rod a negative charge. what happens?