Physics, 23.01.2020 05:31 snikergrace
Asolid sphere with mass, m, and radius, r, rolls along a level surface without slipping with a linear speed, v. what is the ratio of rotational to linear kinetic energy
Answers: 3
Physics, 21.06.2019 16:10
The man fires an 80 g arrow so that it is moving at 80 m/s when it hits and embeds in a 8.0 kg block resting on ice. how far will the block slide on the ice before stopping? a 7.1 n friction force opposes its motion.
Answers: 3
Physics, 21.06.2019 23:30
Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
Answers: 1
Physics, 22.06.2019 07:00
The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus
Answers: 1
Physics, 22.06.2019 10:30
Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.
Answers: 2
Asolid sphere with mass, m, and radius, r, rolls along a level surface without slipping with a linea...
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