Answers Liberty - Physics A Unit Test — Cumulative examQuestion 49

49

QuizMultiple Choice

Unit Test — Cumulative exam

Question 49 • Liberty - Physics A

What is the approximate tangential speed of an object orbiting Earth with a radius of 1.8 × 108 m and a period of 2.2 × 104 s?

Answer

A

7.7 × 10–4 m/s

B

5.1 × 104 m/s

C

7.7 × 104 m/s

D

5.1 × 105 m/s

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