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The equation for pressure P interms oftime t and length / is given by .p=at+be^-cl.The quantity velocity is given by |
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Answer» Answer: Velocity is a physical vector quantity; both magnitude and direction are needed to define it. The scalar absolute VALUE (magnitude) of velocity is called SPEED, being a coherent DERIVED unit whose quantity is measured in the SI (metric system) as metres per second (m/s) or as the SI BASE unit of (m⋅s−1). |
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