Choose the function whose graph is given by:
ANNA
8
O A. y = cos(2x)
O B. ycos()
OC. y. cos(4x)
D. y* cos(4x)

The car hoist allows the car to be driven onto the platform, after which the rear wheels are raised. if the loading from both rear wheels is 1380 lb, determine the force in the hydraulic cylinder ab. neglect the weight of the platform itself. member bcd is a right-angle bell crank pinned to the ramp at c. the force is positive if in tension, negative if in compression.

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9