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A 960kg car is at the top of a 46m -long, 2.5 ? incline. Its parking...

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Physics

A 960kg car is at the top of a 46m -long, 2.5 ? incline. Itsparking brake fails and it starts rolling down the hill. Halfwaydown, it strikes and sticks to a 1210kg parked car.
Part A-

Ignoring friction, what's the speed of the joined cars at thebottom of the incline?

Express your answer to two significant figures and include theappropriate units.


Part B-

What the first car's speed would have been at the bottom had itnot struck the second car.

Express your answer to two significant figures and include theappropriate units.

Answer & Explanation Solved by verified expert
4.2 Ratings (743 Votes)
car A960Kgcar B1210 kgIt moves with the    See Answer
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