Which of the following is an example of sound energy?

A. a tv signal lost bc of a storm

B. the waves from a star seen in the sky

C. a light bulb giving off energy as heat

D. waves moving through air after a crash

Airbags will deploy no matter from what angle your car is hit.

Many galaxies appear to have supermassive black holes in their centers powering active galactic nuclei (also called AGN).

How do inertia and centripetal force combine to keep an object moving in circular motion?

A force of 9.00 newtons acts at an angle of 19.0° to the horizontal. What is its component in the horizontal direction? A 15.6 newtons B. 9.00 newtons C 7.85 newtons D. 8.51 newtons E. 2.93 newtons

You throw a ball straight up into the air at a speed of 15 m/s. You want to know how high above your hand the ball will be at exactly 2.5 sec after you released it.

2x^2:3=dg solve for x

A 2.25-kg block is released from rest on a ramp of height h. when the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 15.

Which of the following are steps for balancing chemical equations? Check all that apply. ] A. Multiply the reactants to get the products. B. Change subscripts. O C.

1. Why does the water vapour in clouds condense? 2. Explain why you can see clouds but not see the water vapour in the air

What are some similarities between electricity and gravity?