If the weightlifter's force is considered the action, what is the magnitude of the Man
200 newtons
WWW
Spring
? nevtons
reaction?
Select one:
O a. 200 N
O b. ON
O C. 400 N
Ô d. 100 N

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90