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#1

The force of the wind on the sails of a sailboat is 390 N north. The water exerts a force of 180 N east. If the boat (including crew) has a mass of 270 kg, what are the magnitude and direction of its acceleration.

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390 N North, 180 N East.

m = 270 kg

I never know how to find the magnitude, can some one help or explain the magnitude to me ?

#2

A shopper in a supermarket pushes a loaded cart with a horizontal force of 10 N. The cart has a mass of 30 kg. HOw far will it move in 3.0 s, starting from the rest? (Ignore friction)

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Horizontal F = 10 N

m = 30kg

t = 3 s

d = rt

v (initial) = 0

I only got to this point ?

Help please ? Thanks

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# Homework Help: Magnitude - Distance

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