I recommend you find another class, in this you are wasting your time.
a) 7ft/sec^2
b) 3ft/sec^2
c) There is no point C.
The name of the class "Dynamics of Rigid Bodies" sounds swanky, doesn't it. Much sound and fury, signifying nothing.
The car is traveling at a speed of 60 mi/hr as it approaches point A. Beginning at A, the car decelerates at a constant 7ft/sec2 until it gets to point B, after which its constant rate of decrease of speed is 3ft/sec2 as it rounds the interchange ramp. Determine the magnitude of the total car acceleration (a) just before it gets to B, (b) just after it passes B, and (c) at point C.
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1 answer