Through which material do P waves move the fastest?

(a) water

(b) sand

(c) rock

(d) clay

Which is most likely a covalent compound? NaCl KCl CuF2 CF4

Which of the following changes will result in a stronger electromagnet? A. Using a longer nail B. Using a lower voltage C. Using more coils of wire D. Using a shorter wire

A roller coaster has a mass of 500 kg it drops from rest at the top of a hill that's 57 m tall how fast is it going when it reaches the bottom acceleration due to gravity is g=9.8 m/s

3 rights for all U. S residents

If a room were completely dark, could you see your hand? would you be able to see a tv screen? is there a difference?

This is a bond in which a single pair of electrons is shared between a pair of atoms

How many phase changes does ice undergo when it changes to water vapor in the water cycle?

You have a horizontal grindstone (a disk) that is 85 kg, has a 0.31 m radius, is turning at 88 rpm (in the positive direction), and you press a steel axe against the edge with a force of 21 N in the radial direction.

Which equation is most likely used to determine the acceleration from a velocity vs. time graph?

Applied force is the force of support exerted by an object that holds up another object. True False