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OLga [1]
3 years ago
8

A cart travels down a ramp at an average speed of 5.00 centimeters/second. What is the speed of the cart in miles/hour? (Remembe

r there are 100 centimeters per meter, 1000 meters/kilometer, and 1.6 kilometer per mile.)
Physics
2 answers:
viva [34]3 years ago
7 0
Set up the problem with the conversion rates as fractions where when you multiply the units cancel out leaving the desired units behind.

( \frac{ 5 cm}{1 sec} ) *( \frac{1m }{100cm})*( \frac{1km}{1000m} )*( \frac{1mi}{1.6km} ) = 0.00003125 mi/sec \\  \\ ( \frac{0.00003125 mi}{1sec} )*( \frac{60sec}{1min} )*( \frac{60min}{1hr} )=0.1125 mi/hr
Tju [1.3M]3 years ago
3 0
34 is the answer fo your question

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