Physics, 04.07.2021 09:20 zachstonemoreau
Water is falling on the blades of a turbine at a rate of 100 kg/s from a certain spring. If the height of spring be 100m, then the power transferred to the turbine will be: a) 100 KW b) 10 KW c) 1 KW d) 100 W
Answers: 2
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What is the length x of the side of the triangle below? (hint: use the cosine function)
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If the speed of a particle triples ,by what factor does its kinetic energy increase?
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Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
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Physics, 22.06.2019 14:30, ayoismeisalex
Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?
Answers: 3
Water is falling on the blades of a turbine at a rate of 100 kg/s from a certain spring. If the heig...
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