If you push on a door for 12 seconds with a force of 53 N, how much impulse have you applied to the door?
A. 815 kg•m/s
B. 332 kg•m/s
C. 636 kg•m/s
D. 4.42 kg•m/s

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?