Convert 45m/s to mph. Choose the best answer to two significant figures.

101mph

45mph

200mph

24mph

A rabbit gives birth to young rabbits. A plant forms new seeds. A one-celled organism divides to make another organism. Which characteristic of life do these activities demonstrate? A. reproduction B. growth C. response to stimuli D. metabolism

Adrew drove 456 miles in 8 hours what was his average driving rate per hour?

Suppose a miracle car has a 100% efficient engine and burns fuel having an energy content of 40 MJ/L. If the air resistance and overall frictional forces on this car traveling at highway speeds is 1000 N, what is the overall limit in distance per

Write these values as a full decimal number (not using scientific notation) in standard SI base units, without any prefixes, preserving the number of significant figures (a) m = 16.0 mg (b) x = 12.5 X 10^3 km

A superman cyclist rode a bike uphill at 20 miles/hour for two hours. To sustain this constant speed the cyclist was exerting 50 pounds. (a) How much work has the cyclist done during the trip?

The metric system and metric conversions are?

Ron bicycles forward with an acceleration of 2.1 m/s2. If he is applying a forward force of 195 N, what is his mass?

Diane swim 5 kilometers against the current in the same amout of time it took her to swim 15 kilometers with the current. The rate of the current was 2 kilometers per hour. How fast would diane swim if there were no current?

A man paddles a canoe in a long, straight section of a river. The canoe moves downstream with constant speed 5 m/s relative to the water. The river has a steady current of 1 m/s relative to the bank. The man's hat falls into the river.

In an atom, almost all of the mass is concentrated in a tiny nucleus because