if your car starts from rest and has an acceleration of 3.2 m/s2 how fast are you going after you have driven 20m

How fast would a 0.25 kg football have to be traveling to have the same momentum as a 0.05 kg bullet traveling 500 m/s?

Objects in free fall are weightless. true or false?

An autographed baseball rolls off of a 0.76 m high desk and strikes the floor 0.61 m away from the desk. how fast was it rolling on the desk before it fell off? the acceleration of gravity is 9.81 m/s 2. answer in units of m/s.

What are the similarities in the 3 types of waves

The early earth was much cooler than it is today. a. True b. False

A soap bubble usually pops because some part of it becomes too thin due to evaporation or drainage of fluid. The change in thickness also changes the color of light the bubble reflects. Why?

Earth's magnetic field is similar to that of a bar magnet. Select all the statements that are true as a consequence of this. A. It has a north and south magnetic pole. B. It has a bar-shaped iron section inside it. C.

What does electricity depend on to make electrons move? A:a source and the attraction to opposite charges B: Only source C:Only attraction of opposite charges

If two parallel light rays hit a plane mirror, what will be their orientation to one another after they reflect? a. they will remain parallel. b. they will be perpendicular. c. it depends on the initial spacing between the light rays. d.

To extend the electrical system between the main panel and the secondary panel, the electricians used A. Receptacles B. Circuit breakers. C. feeders. D. insulators