A car of 1400 kg is subject to multiple forces which produce an acceleration of 3.5 m/s2 directed north. Find the net force.
1 answer:
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Answer:
Explanation:
Given
mass of box
coefficient of kinetic friction
coefficient of Static friction
cart is moving with constant velocity therefore Net Force is zero
Since there is no net acceleration therefore friction force will be zero
mathematically
where
Answer:
B) 1/5 ba^2 T^5
Explanation:
The dissipated energy is given by the work done over the object by the force F=-bv. The work is given by the following formula:
you derivative the function f(x) and replace v by the derivative dx/dt you obtain:
hence, the dissipated energy is 1/5 ba^2 T^5