What kind of wave is light?

Describe the galactic bulge in terms of its shape, size (diameter, thickness), the amount of gas and dust, the types of stars (age, colors), the motion of the stars, and the state of any star formation.

Which of the following statements regarding heuristics and empiricism is true? A. Heuristics allows a priori theoretical concepts B. Empiricism makes no use of logic C. Empiricism relies solely on theoretical concepts D.

The name of energy that comes from the sun is called?

When an object reflects all the light waves that strike it looks white or black?

Toma is almost five years old. As he was struggling to learn to tie his shoes, his parents became exasperated with him and bought him shoes with Velcro closures.

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?