John and Haven move a large bookcase from the bedroom to the living room. The bookcase has
a m...
Physics, 09.04.2020 08:22 mustachbrah
John and Haven move a large bookcase from the bedroom to the living room. The bookcase has
a mass of 45 kg. They apply a force of 300 N to move the bookcase 8 m. It takes them 20
Beconds to move the bookeane (Use correct units in all answers.)
a low much work do they do to move the bookease? (3 points)
What is their power? (3 points)
Answers: 1
Physics, 22.06.2019 05:30
Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?
Answers: 1
Physics, 22.06.2019 12:10
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
Answers: 2
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