An object of mass m is at rest on a smooth horizontal surface. It is pulled by a variable force F = kt, where t is the time. The force makes and angle a with the horizontal. a) find an expression for the speed of the object when it starts to lift-off the surface. b) find an expression for the distance travelled until it starts to lift-off the surface. a
An object of mass m is at rest on a smooth horizontal surface. It is pulled by a variable force F = kt, where t is the time. The force makes and angle a with the horizontal. a) find an expression for the speed of the object when it starts to lift-off the surface. b) find an expression for the distance travelled until it starts to lift-off the surface. a
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Transcribed Image Text:An object of mass m is at rest on a smooth horizontal surface. It is pulled by a variable force
F = kt, where t is the time. The force makes and angle a with the horizontal.
a) find an expression for the speed of the object when it starts to lift-off the surface.
b) find an expression for the distance travelled until it starts to lift-off the surface.
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