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Home Q & A Board Science-Related Homework Help Physics
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toni85 toni85
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11 years ago
A loaded cart is rolling across a lot in a strong wind.
I apply a constant force vector{F} =(  32 N  )ihat - (  41 N  )jhat
to the cart as it undergoes a displacement vector{s} = (-  9.5 m  )ihat - (  4.0 m  )jhat.

How much work does the force you apply do on the grocery cart?
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wrote...
#1
11 years ago
W = F dot S

So work = 32N*-9.5 + -41*-4 = -140J
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