Determine whether a scalar or a vector is described in (a) and (b). Explain your answers. (a)
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Determine whether a scalar or a vector is described in (a) and (b). Explain your answers.
(a) A ballistics test shows that a bullet hit a wall at a speed of 400 ft/s.
(b) A ballistics test shows that a bullet hit a wall at a speed of 400 ft/s perpendicular to the wall.
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a In this case a scalar quantity is described because only the magnitude of the speed of the bullet ...View the full answer
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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