Physics, 05.12.2019 17:31 brackendillman
Alight horizontal spring has a spring constant of 138 n/m. a 3.35 kg block is pressed against one end of the spring, compressing the spring 0.123 m. after the block is released, the block moves 0.281 m to the right before coming to rest. the acceleration of gravity is 9.81 m/s 2 . what is the coefficient of kinetic friction between the horizontal surface and the block?
Answers: 2
Physics, 22.06.2019 05:40
Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen
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Physics, 22.06.2019 10:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 3
Alight horizontal spring has a spring constant of 138 n/m. a 3.35 kg block is pressed against one en...
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