You throw a rock out of a 7th story window. you time that it takes 3.7 seconds to hit the ground, and measure that it hit the ground 115 m from the base of the building?
how fast must you have thrown the rock?
how high up must the 7th floor be?
if you had thrown it at the same speed but at the 28th floor, how far from the base of the building would it land?
Answers: 1
Physics, 21.06.2019 22:40
Explain vector addition, triangle method and parallelogram method
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Physics, 22.06.2019 07:40
How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.
Answers: 3
Physics, 22.06.2019 22:30
Atennis player used a tennis racket to hit a tennis ball with a mass of 0.25 kg with a force of 5.25 newtons. how does the force the tennis racket exerted on the tennis ball compare with the force the tennis ball exerted on the tennis racket? a. the force of the tennis racket on the tennis ball is equal in magnitude and opposite in direction to the force the tennis ball exerted on the tennis racket. b. the force of the tennis racket on the tennis ball is equal in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. c. the force of the tennis racket on the tennis ball is less in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. d. the force of the tennis racket on the tennis ball is greater in magnitude and opposite in direction as the force the tennis ball exerted on the tennis racket.
Answers: 1
You throw a rock out of a 7th story window. you time that it takes 3.7 seconds to hit the ground, an...
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