An adventurer pulls a loaded sled with a mass of 56kg along a horizontal meadow at a constant speed. the coefficient of kinetic friction between the sled and the grass is 0.45 and the angle of the rope between the sled and the adventurer is 55 degrees. what is the tension in the rope?
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Which term best describes the phrase “something that happens”?
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Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?
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The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?
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Asmall electric heater, immersed in 80g of water in a calorimeter of 40j/k raises the temperature from 10.5 degree celsius to 25 degree celsius in 12 minutes. using the same apparatus with 50g of oil instead of water, it is found that the temperature of oil rises from 7 degree celsius to 27 degree celsius in 10 minutes. find specific heat capacity of the oil.
Answers: 2
An adventurer pulls a loaded sled with a mass of 56kg along a horizontal meadow at a constant speed....
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