17. Challenge A 1,500-kg car doubles its speed from 50 km/h to 100 km/h. By how
many times doe...
Physics, 06.03.2020 11:02 oscarmendoza2107
17. Challenge A 1,500-kg car doubles its speed from 50 km/h to 100 km/h. By how
many times does the kinetic energy from the car's forward motion increase?
116 Chapter 4• Work and Energy
Answers: 1
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If the speed of a particle triples ,by what factor does its kinetic energy increase?
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An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
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Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow
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Two manned satellites approaching one another at a relative speed of 0.550 m/s intend to dock. the first has a mass of 2.50 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. assume that the positive direction is directed from the second satellite towards the first satellite. (a) calculate the final velocity after docking, in the frame of reference in which the first satellite was originally at rest.(b) what is the loss of kinetic energy in this inelastic collision? (c) repeat both parts, in the frame of reference in which the second satellite was originally at rest. final velocity(d) loss of kinetic energy = ?
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