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Introductory Physics Homework Help
Physics in vertical jump and basball hit
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[QUOTE="Michael12438, post: 4985094, member: 539717"] [h2]Homework Statement [/h2] Okay so these are from movies. I am trying to prove them right or wrong using physics. how can I figure out the pounds of force of a vertical jump when I have the: height of the jump = 6 feet Time to reach top = .797 sec Mass of person = 100lbs 2. How can I figure out this problem... If a baseball is thrown with a velocity of 90mph, and the ball exits the bat at 140mph, what eas the bat speed? Consider the ball was hit with a wood bat. On its most dense part with the barell diameter of 2.5 in, the bat is 30 oz Friction- how far would a runner slide if he fell on ice after running 15 mph [h2]Homework Equations[/h2][h2]The Attempt at a Solution[/h2] For the first one I messed up somehow using the fact that initial velocity was 0m/s^2 and I got that the force would be only around 50lbs. The number should be in te thousands I'm suspecting. Please help [/QUOTE]
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Physics in vertical jump and basball hit
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