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December 20, 2014

Homework Help: physics

Posted by Jon on Tuesday, April 1, 2008 at 10:10pm.

11)Which has more momentum, an elephant standing still or a raisin dropped from your hand?

The raisin

12)A player kicks a football with an initial velocity of 3.00 m/s at an angle of 60.0 above the horizontal. What is the horizontal distance traveled by the football?

A)0.312 m
B)0.397 m
C)0.673 m
D)0.795 m

3.00sine60
=2.6
0.0 m+(2.6 m/s)(2.6-0.0/9.80)+1/2(-9.80)(2.6-0.0/9.80)^2
=0.0+.69+1/2(-9.80)(2.6-0.0/9.80)^2
=.69+-4.9(.070387339)

I can't get one of those choices

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