Physics, 21.05.2021 14:00 josephmarvens1666
Calculate the power of a crane that lifts a load of 35.4 kN to a height of 20 m in 30 seconds?
Answers: 3
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The velocity of a curling stone is due east. what will be the direction of the momentum of the curling stone as it moves?
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1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.
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Select the correct answer. what does the process of natural selection involve?
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Asled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slidesa distance d1 down the slope and then covers the distance d2 alongthe horizontal terrain before stopping. find the coefficient ofkinetic friction μk between the sled and the ground, assumingthat it is constant throughout the trip. find the coefficient of kinetic frictionμk. express your answer in terms of someor all of the variables d1, d2, and θ.
Answers: 1
Calculate the power of a crane that lifts a load of 35.4 kN to a height of 20 m in 30 seconds?...
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