Physics, 19.05.2020 21:05 hannahkharel2
In t-ball, players use a bat to hit a stationary ball off of a stand. In one hit, the 0.14 kg ball leaves the bat at 12 m/s after being in contact with the bat for a certain period of time. If the acceleration of the ball is. 6000 m/s 2 , what is the time that the ball is in contact with the bat? Assume constant acceleration and answer in ms.
Answers: 2
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Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?
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Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match
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Physics, 22.06.2019 21:30
While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.
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Physics, 23.06.2019 00:20
You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 when the distance is 5 m. a. write an equation to model the situation. b. solve for the constant of variation. c. write the equation to model the situation using the constant () of variation. d. you have been given lanterns with 40 light intensity. use your equation to solve for the distance from the lantern. e. you need to illuminate 225 km. how many meters do you need to light? f. how many lanterns will you need?
Answers: 3
In t-ball, players use a bat to hit a stationary ball off of a stand. In one hit, the 0.14 kg ball l...
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