A runaway train car that has a mass of 1.550×104kg travels at a speed of 5.35m/s down a track. Compute the time required for a force of 1.50×103N to bring the car to rest.

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

Which tools do meteorologists use to create weather forecasts? check all that apply. a)guesses b)computer models c)weather service maps d)data from instruments e)personal observations

If a weighted, air-filled balloon sinks in a lake, it will a. be buoyed up with constant force while sinking b. probably sink to the bottom and probably rise later c. sink until it reaches equilibrium and then remain at constant depth d. always sink to the bottom e. none of the above