Solving the Problem of a Bus Running Out of Fuel on a Hill

[BuBbLeS01]

Homework Statement

A bus runs out of fuel as it approaches a hill. If the hill is 3.54 m high, how fast must the bus be traveling in order to coast just to the top of the hill?

Homework Equations

The Attempt at a Solution

How do we solve this problem?? We aren't given any
information (mass, forces or anything)?

 

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1/2mv^2 = mgh

 

[BuBbLeS01]

thank you much