# physics

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A car drove off a cliff. The cliff was 8 ft high and the car landed 45 ft away from the edge of the cliff. What was the speed when the car left the cliff?

• physics -

How much time does it take to fall 8 feet?

h=1/2 g t^2
8=1/2 32 t^2
t^2=1/2
t= .707 sec

distance= Vi*.707=45
vi= 45*sqrt2 ft/sec

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