Physics, 21.12.2019 03:31 daebreonnakelly
Asilver bar of length 30 cm and cross-sectional area 1.0 cm2 is used to transfer heat from a 100°c reservoir to a 0°c block of ice.
how much ice is melted per second? (for silver, k = 427 j/s⋅m⋅°c. for ice, lf = 334 000 j/kg.)
a. 4.2 g/s
b. 2.1 g/s
c. 0.80 g/s
d. 0.043 g/s
Answers: 3
Physics, 21.06.2019 23:30
Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?
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Physics, 22.06.2019 04:10
Time remainin52: 42the chart shows data for a moving object.which conclusion is best supported by the information inthe chart? time (s)velocity (m/s
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Physics, 22.06.2019 16:10
Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)
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Asilver bar of length 30 cm and cross-sectional area 1.0 cm2 is used to transfer heat from a 100°c r...
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