Which of the following statements or expressions is most nearly associated with kepler's third law of planetary motion? a. p2 = a3 b. planetary orbits revolve around two foci. c. a planet moves fastest when it is farthest from the sun. d. a planet moves slowest when it is farthest from the sun.

The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?