A player throws a football 55.0 m at 61.0° north of west. The westward component of the displacement of the football thrown is given by

A) 0 m. B) 74.0 m. C) 26.7 m. D) 64.7 m.

Which is thought to be most responsible for Earth's ice ages? A. Earth's tilt B. Earth's precession C. The gulf stream D. The jet stream

What major purposes do barrier islands serve?

Why is the law of universal gravitation important?

A railroad tank car contains milk and rolls at a constant speed along a level track. The milk begins to leak out the bottom. The car then a. Need more information about the rate of the leak. b. maintains a constant speed. c. speeds up. d. slows down.

How does a bicycles kinetic energy change when it slows down?

17. Suppose you were standing on a scale in an elevator in free fall. What would the scale read? 18. Explain why the feeling weightlessness in free fall is not the same as truly being weightless. 19.

The momentum of an isolated system is conserved A) only in inelastic collisions. B) only in elastic collisions. C) in both elastic and inelastic collisions

Which of the following is not an ethical consideration of social research? a. protecting the anonymity of the participants b. creating a safe environment for research c. using research to reform society d.

Which event occurs after erosion of earth's surface

In your own words, compare and contrast transverse and longitudinal waves. Be sure to include at least one similarity and one difference.