A car slows down from 30 m/s to rest in a distance of 85 m. What was its acceleration?

If a ball is thrown vertically upward with a velocity of 80 ft/s, then its height after t seconds is s = 80t - 16t 2.

What are the two major volcanic regions?

The longest pipe on a certain organ is 5.34 m. (a) what is the frequency f3 (at 0.00°c) if the pipe is closed at one end?

The fact that a refrigerator requires energy to move heat from a colder object (the inside of the refrigerator) to a hotter object (the outside of the refrigerator) is a real life observation of which law of thermodynamics?

The former soviet union launched the first artificial earth satellite. What is the name of this satelitte?

Assume that a friend hands you a heavy book to hold as he turns the combination lock on his locker. Which of you does more work?

A tube, open at only one end, is cut into two shorter (nonequal) lengths. The piece that is open at both ends has a fundamental frequency of 422 Hz, while the piece open only at one end has a fundamental frequency of 666 Hz.

Table tennis the path of a table-tennis ball after being hit and hitting the surface of the table can be modeled by the function h=-4.9t (t-0.42) where h is the height in meters above the table and t is the time in seconds.

A coat rack weighs 65.0 lbs when it is filled with winter coats and 40.0 lbs when it is empty. The base of the coat rack has an area of 452.4 in2.

An initially stationary object experiences an acceleration of 6 m/s2 for a time of 15 s. How far will it travel during that time?