IMSO 2006 Science – Taiwan Selection First Round Theory Question 27

The motion of a piston in an autoengine is simple periodic motion. If the engine is running at 5000 rpm(rotating run per minute), the piston travels back and forth over a distance of 10 cm, what is total distance that the piston has traveled within 10 minutes?

A. 500000 cm.

B. 50000 cm.

C. 10000 m.

D. 2000000 cm.