Ll of mass m is thrown vertically upward with an initial speed of v0. it experiences a force of air resistance given by f = -kv, where k is a positive constant. the positive direction for all vector quantities is upward. the differential equation for determining the instantaneous speed v of the ball in terms of time t as the ball moves upward is
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Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy
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All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction
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Ll of mass m is thrown vertically upward with an initial speed of v0. it experiences a force of air...
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