While standing at the edge of the roof of a building, a man throws a stone upward with an initial speed of 7.19 m/s. the stone subsequently falls to the ground, which is 20.1 m below the point where the stone leaves his hand. at what speed does the stone impact the ground? ignore air resistance and use =9.81 m/s² for the acceleration due to gravity.
Answers: 3
Physics, 22.06.2019 05:30
Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.
Answers: 1
Physics, 22.06.2019 14:30
Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal
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Physics, 22.06.2019 16:30
Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.
Answers: 1
While standing at the edge of the roof of a building, a man throws a stone upward with an initial sp...
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