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Physics
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What is the acceleration of a 25-kg block of cement when pulled sideways with a net force of 125 N?


________m/s/s
Mar 3rd, 2015

You use the equation Force= mass x acceleration. 

125 N= 25 kg x acceleration. 

Since a N= newton is kg x m / s/s, the units are okay as is. 

Therefore, acceleration = 125N/ 25 kg = 5 m/s/s.

The answer is 5 m/s/s. 

Mar 3rd, 2015

can you help me with 

A ball is thrown with enough speed straight up so that it is in the air several seconds. What is its velocity .50 s before it reaches its highest point?

_______ m/s

Mar 3rd, 2015

I think we would need more information for the problem. 

Mar 3rd, 2015

can you help me with this one

A canoe is paddled at 2.0 km/h directly across a river that flows at 3.0 km/h, as shown in the figure. What is the resultant speed of the canoe relative to the shore?

______ km/h

Mar 3rd, 2015

Yes I am happy to help you with this one but please write separate questions in the free  section or invite me in a bid. And if you like my solutions, please best them. 

Mar 3rd, 2015

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