What is the average speed of an arrow that takes 0.75 seconds to hit a target 75 meters away?
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Physics, 22.02.2021 22:20 emmiles2005
What is the average speed of an arrow that takes 0.75 seconds to hit a target 75 meters away?
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Answers: 3
Physics, 22.06.2019 02:00
The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
Answers: 3
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Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?
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Physics, 22.06.2019 09:00
What is a possible result of higher air temperature caused by global warming
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