What best describes gravity?

Did I get any of these right?

Friction depend on the types of surface involved and how hard the surfaces push together true or false

One type of entrepreneurial business could be an online business, and the article lists Amazon as an example. If you get a job tomorrow working at Amazon, does that make you an entrepreneur? Why or why not?

5. Measure: With the lights on, click Pause. Turn on Show rulers. A. The wavelength of a longitudinal wave is equal to the distance between two successive compressions (or rarefactions). What is this distance? B.

The universal law of gravitation, written by Isaac,

What is the speed of a 50 g rock if its de Broglie wavelength is 3.32 x 10?

The difference between newtons first law of motion and newtons third law of motion

A sound wave traveling at STP has a period of. 0023 seconds. The wavelength of this sound is closest to 1) 1.4E5 2) 6.9E-6 3) 0.76m 4) 76m

Static charge develops on a substance as it acquires or loses protons due to friction. a. True b. False

A milk truck carries milk with density 64.6 lb/ft3 in a horizontal cylindrical tank with diameter 12 ft. (a) Find the force exerted by the milk on one end of the tank when the tank is full. (Round your answer to the nearest integer.) lb