Engineering Mechanics - Dynamics Chapter 14 M b 0.3 kg = k 300 N m = δ 50 mm = Solution: T 1 V 1 + T 2 V 2 + =0 1 2 ks 1 + () 2 + 1 2 M p M b + () v 2 2 1 2 k 2 + = v 2 k M p M b + s 1 + () 2 2 − ⎣ ⎦ = v 2 3.30 m s = Problem 14-79 The roller-coaster car has mass M , including its passenger, and starts from the top of the hill A with a speed v A . Determine the minimum height h of the hill crest so that the car travels around both inside loops without leaving the track. Neglect friction, the mass of the wheels, and the size of the car. What is the normal reaction on the car when the car is at
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