Aboulder with a mass of 2,500 kg on a ledge 200 m above the ground falls. estimate the speed of the boulder just before it hits the ground.

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?