Homework Help: Science (Force and motion)

Posted by maria on Tuesday, May 3, 2011 at 7:49am.

Explain how acceleration can be slowing down.

Calculate the impact force of a 50 kg object travelling at 100km/hr.

(Momentum = mass x velocity)
Calculate the momentum of a tennis ball of 50 g moving at a velocity of 25m/s.

Science (Force and motion) - SraJMcGin, Tuesday, May 3, 2011 at 10:10am
You might begin here:

http://search.yahoo.com/search?fr=mcafee&p=how+can+acceleration+be+slowing+down

calcu lating impact force:
http://search.yahoo.com/search?fr=mcafee&p=how+to+calculate+impact+force

how to calculate momentum:

http://search.yahoo.com/search?fr=mcafee&p=how+to+calculate+momentum

Sra

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