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Category > Physics Posted 17 Jun 2017 My Price 8.00

A worker is pushing a cart

A worker is pushing a cart along the floor. At first. the worker has to push hard in order to get the cart
moving. After a while. it is easler to push and he keeps It golog at a uniform speed. Finally. the worker has
to pull back on the cart in order to bring it to a stop before it hits the wall. The force exerted by the worker
on the cart Is purely,r horlrontal. Take the direction the worker is going as positive. Below are shown graphs
of some of the physical variables of the problem. Match the graphs with the variables in the List at the lefl
helowAND PLEASE EXPLAIN WHY YOU CHGSE THIS. You rl'la"_.uI use a graph more than once or not at all.
(Note: the time axes are to the same scale. but the ordinate [fir—axes") are not. and t = fl is Just as the cart
starts rnovlng.] 1] Friction On The Cart. EJForce exerted by the worker on the cart. 3} Net force experienced by the cart. 4]
Acceleration by the cart. 5] Velocityy on the cart

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Status NEW Posted 17 Jun 2017 12:06 AM My Price 8.00

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file 1497659034-Solutions file.docx preview (51 words )
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