Question

Every 24 hours, the earth rotates 360° about its axis. How

long does it take to rotate 150°?

A. 8 h

B. 10 h

C. 18 h

D. 20h

Answer 1

360 degrees / 24 hours = 15 degrees per hour

150 degrees / 15 degrees per hour = 10 hours

Answer: 10 hours