27-08-2019
Physics

contestada

A. 55 mi North
B. 90 km/h north
C. 90 km
D. 55mph

Which of the following is an expression of speed

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ndungwaneayanda ndungwaneayanda

27-08-2019

Answer: The correct answer is D. 55mph

Explanation: The speed is a scalar quantity. A scalar doesn't specify a direction whereas B. Specify direction the other units are not for velocity or speed.

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27-08-2019

A. Displacement

B. Velocity

C. Distance or length

D. Speed

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