A 320-lb gorilla climbs a tree to a height of 20 ft. Find the work done if the gorilla reaches that height in the following times. (a) 10 seconds W= ______ ft-lb (b) 5 seconds W = ______ ft-lb A variable force of 8x^-2 pounds moves an object along a straight line when it is x feet from the origin. Calculate the work done in moving the object from x = 1 ft to x=16 ft. (Round your answer to two decimal places.)
_____ ft-lb