Question

In 10 seconds, the surface of the earth at the equator has moved 4,600 meters. How far has the
surface moved in 150 seconds? (1 point)
6,900,000 meters
69,000 meters
306.67 meters
3.07 meters

Answer 1

In 10 s the surface moves 4,600 m, so speed = 4,600/10 = 460 m/s. In 150 s it moves 460 × 150 = 69,000 m.

Answer: 69,000 meters.