Physics, 29.10.2019 00:31 linkhyrule1138
Consult concept simulation 7.1 in preparation for this problem. two friends, al and jo, have a combined mass of 132 kg. at an ice skating rink they stand close together on skates, at rest and facing each other, with a compressed spring between them. the spring is kept from pushing them apart, because they are holding each other. when they release their arms, al moves off in one direction at a speed of 1.04 m/s, while jo moves off in the opposite direction at a speed of 0.784 m/s. assuming that friction is negligible, find al's mass.
Answers: 2
Physics, 22.06.2019 05:00
Choose a synonym for the underlined homonym (a word with two or more meanings). i did not expect the boat to rock so much. a. boulder c. astound b. sway d. shock
Answers: 3
Physics, 22.06.2019 06:30
Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)
Answers: 1
Consult concept simulation 7.1 in preparation for this problem. two friends, al and jo, have a combi...
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