If the motorcycle leaves the ramp travelling at 110ft/s, determine the height h of ramp B must have so that the motorcycle lands safely. 110 ft/s 30° 30 ft B 350 ft-

The winch delivers a horizontal towing force F to its cable at A which varies as shown in the graph.(Figure 1)Determine the speed of the 60 kgkg bucket when t = 23 s . Originally the bucket is moving upward at v1 = 1 m/s

A B 7.5 m h 20 m C The roller coaster car having a mass of 157-kg has a speed of 4 m/s at A. Determine the minimal height h of A if the track is designed so that the car does not leave it at B.

2. Determine the kinetic energy of the 60-lb block A at this instant if the 40-ib block B is traveling uphill with a speed of 1.5 ft/s. Also calculate the kinetic energy of block B. 60° 30

The 15-kg block is subjected to the force shown. Determine its velocity at s= 4m if v= 6 m/s at s=0. Motion occurs to the right. F= (5.1 s)N

The 214000-lb space-shuttle orbiter touches down at about 222 mi/hr. At 182 mi/hr its drag parachute deploys. At 40 mi/hr, the chute is jettisoned from the orbiter. If the deceleration in feet per second squared during the time that the chute is deployed is -0.000200v2 (speed v in feet per second), determine the corresponding distance s traveled by the orbiter. Assume no braking from its wheel brakes. Answer: s = i ft