Physics, 26.07.2019 23:30 jessebeck0805
The specific heat of aluminum is 0.9 j/g k. the specific heat of copper is 0.39 j/g k. if samples of equal mass of both aluminum and copper are heated up to 100°c and then dropped in a cold water bath. compare the heat lost by the two samples.
Answers: 1
Physics, 22.06.2019 01:20
An engineer designs a roller coaster so that a car travels horizontally for 152 ft, then climbs 137 ft at an angle of 34.0° above the horizontal. it then moves 137 ft at an angle of 48.0° below the horizontal. if we take the initial horizontal motion of the car to be along the +x-axis, what is the car's displacement? (give the magnitude of your answer, in ft, to at least four significant figures and give the direction of your answer in degrees counterclockwise from the +x-axis.)
Answers: 1
Physics, 22.06.2019 05:10
Which situation will have the highest resistance? a.long wire and high temperatureb.short wire and high temperaturec.long wire and cold temperaturedshort wire and low temperature
Answers: 2
The specific heat of aluminum is 0.9 j/g k. the specific heat of copper is 0.39 j/g k. if samples of...
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