With Respect to the Earth, Object 1 Is Moving at Speed

question 17

Multiple Choice

With respect to the earth, object 1 is moving at speed 0.80 c to the right. Object 2 is moving in the same direction at speed 0.80 c with respect to object 1. How fast is object 2 moving with respect to the earth?

• A)0.64 c
• B)0.98 c
• C)0.16 c
• D)1.6 c
• E)0.80 c

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