09/14/21

Newton's Laws of Motion
When landing after a spectacular somersault, a 25.0 kg gymnast decelerates by pushing straight down on the mat. Calculate the force (in N) she must exert if her deceleration is 7.00 times the... more
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09/14/21

Newton's Laws of Motion
(a)Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 6.00 ✕ 10-5 kg hangs motionless on it. (Enter a number.) __N(b)Calculate the tension (in N) in a horizontal... more
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09/14/21

Newton's Laws of Motion
A basketball player jumps straight up for a ball. To do this, he lowers his body 0.280 m and then accelerates through this distance by forcefully straightening his legs. This player leaves the... more
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09/14/21

Three forces are applied to an object: (34.3 N, 62.0 degrees); (56.2 N, 125 degrees); and (45.4 N, 251 degrees) resulting in a net force of
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09/13/21

Finding the resistance value and total
Two incandescence 50w-220v connected in series, then the two lamps are connected in parallel with incandescent lamp an 80W, 220VA ) how the obstacles total?B ) how power produced all the joint if... more
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