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April 20, 2014

Search: phsycs

Number of results: 7

phsycs
2cw=340*3/2=510m but the answer given is 514.5m?
Thursday, July 19, 2012 at 9:17pm by Adam

phsycs
8. What average force is needed to accelerate a 7.00-gram pellet from rest to 125 m/s over a distance of 0.800 m along the barrel of a rifle?
Monday, November 19, 2007 at 4:16pm by beckii

phsycs
Sound waves move through air at sea level at a velocity of 343 m/s at 20ºC. x=3433/2=514.5 m
Thursday, July 19, 2012 at 9:17pm by Elena

phsycs
A person shouts in a canyon. 3 s later they hear the echo. How far away is the canyon wall from which the sound wave was reflected? how do i do this problem?
Thursday, July 19, 2012 at 9:17pm by Adam

phsycs
vf^2= 2ad = 2 (force/mass) d force= vf^2*mass/2d
Monday, November 19, 2007 at 4:16pm by bobpursley

Science: Phsycs
A baseball player swings his 2 kg bat with a speed of 15 m/s. They hit a 0.142 kg baseball which was approaching at a speed of 40 m/s. the ball rebounds in the other direction at 45 m/s. If the baseball and bat are in contact for 5 ms, what is the average force the bat exerts ...
Tuesday, October 25, 2011 at 6:33pm by Mariah

phsycs
distance=velocity*time 2*canyonwidth=speedsound*time solve for canyon widthhttp://www.ausetute.com.au/calcelemf.html
Thursday, July 19, 2012 at 9:17pm by bobpursley

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