The work that a force does by acting on an object is equal to what?
1) the product of force (...
Physics, 17.09.2019 13:30 kennrecklezz
The work that a force does by acting on an object is equal to what?
1) the product of force (in the direction of motion) and distance and is negative if the force and motion are in the same direction
2) the product of force (in the direction of motion) and distance and is positive if the force and motion are in the same direction
3) the product of force and distance without regard to direction
4) the product of distance and kinetic energy 5) the product of momentum and force (in the direction of motion)
Answers: 1
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(a) assume the equation x = at^3 + bt describes the motion of a particular object, with x having the dimension of length and t having the dimension of time. determine the dimensions of the constants a and b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.) (b) determine the dimensions of the derivative dx/dt = 3at^2 + b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.)
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