b) An asphalt roller with a radius, r of 0.7 metres and length, 1 of 2 metres, completes 3 revolutions in 210 seconds. r=0.7 m L = 2

A rock dropped from an unknown height, strikes the ground with speed of 98 m/s. Find the height from which the rock was dropped! (Take gravity to be g = 32 ft/sec = 9.8 m/s)

A street light is at the top of a 16 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 5 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 50 ft from the base of the pole? ft sec

find the diameter of the cone with a volume of 489.84 cubic meters