An astronaut is in equilibrium when he is positioned 140 km from the center of asteroid c and 581 km from the center of asteroid y, along the straight line joining the centers of the asteroids. what is the ratio of the masses x/y of the asteroids? a. 17.2b. 0.0581c. 0.241d. 4.15

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

Why is metal often used for cooking pan?

Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.