Physics, 29.07.2019 02:00 jenkuehn9220
An ordinary workshop grindstone has a radius of 6.50 cm and rotates at 5500 rpm. (a) calculate the magnitude of the centripetal acceleration at its edge in m/s2 and convert it to multiples of g. g (b) what is the linear speed of a point on its edge? m/s
Answers: 1
Physics, 21.06.2019 17:00
Shelly experiences a backward jolt when the driver starts the school bus. which of the following explains this phenomenon? a. the inertia of shelly b. the inertia of the bus c. the normal force of the seats on shelly d. the net force acting on shelly in a backward direction e. a zero net force acting on shelly
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Physics, 22.06.2019 12:30
An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above
Answers: 3
Physics, 23.06.2019 05:10
For those who need theses answers i just took the test and got everyone of them
Answers: 3
An ordinary workshop grindstone has a radius of 6.50 cm and rotates at 5500 rpm. (a) calculate the m...
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