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Physics, 21.06.2019 22:40
Ablock of mass m = 2.5 kg is attached to a spring with spring constant k = 710 n/m. it is initially at rest on an inclined plane that is at an angle of θ = 23° with respect to the horizontal, and the coefficient of kinetic friction between the block and the plane is μk = 0.19. in the initial position, where the spring is compressed by a distance of d = 0.16 m, the mass is at its lowest position and the spring is compressed the maximum amount. take the initial gravitational energy of the block as zero. a) what is the block's initial mechanical energy? b) if the spring pushes the block up the incline, what distance, l, in meters will the block travel before coming to rest? the spring remains attached to both the block and the fixed wall throughout its motion.
Answers: 3
Physics, 22.06.2019 05:00
Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?
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Physics, 22.06.2019 10:00
One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
Answers: 2
Mathematics, 01.06.2020 07:57
Social Studies, 01.06.2020 07:57
Mathematics, 01.06.2020 07:57
Mathematics, 01.06.2020 07:57
Mathematics, 01.06.2020 07:57
Physics, 01.06.2020 07:57
History, 01.06.2020 07:57
History, 01.06.2020 07:57
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Mathematics, 01.06.2020 07:58
Mathematics, 01.06.2020 07:58
Mathematics, 01.06.2020 07:58