Posted by **Leah** on Monday, March 1, 2010 at 2:53pm.

If a bobsled with a total mass of 250kg, reaches the bottom of the hill at a speed of 92mph, how tall was the hill?

I do not understand how to create the formula. I know that 92mph = 134.933 ft per second & that 1 mile = 5280 ft. Would I take the (92)mph x (5280) ft per mile = (485760ft) and divide it by 1 hour (3600 secs.)? That would give me 134.933 ft.

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