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7. Can the speed of a particle be negative? Can the
velocity of a particle be negative? Give arguments to
support your answers.
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Heat from the sun reaches earth to a. radiation b. convection c. conduction
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If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply
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The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.
Answers: 2
7. Can the speed of a particle be negative? Can the
velocity of a particle be negative? Give argum...
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