Physics, 12.08.2019 18:10 sofiaisabelaguozdpez
The ends of a to two fixed points a, b in the same vertical line, b being depth 2a below a. threaded on the string is a small smooth ring r of mass m. the ring revolves with uniform speed in a horizontal circle with b as centre, the string remain- ing taut. show that br and the uniform speed of the ring light inelastic string, of length 3a, are attached at a 5a/6. find the tension in the string
Answers: 1
Physics, 21.06.2019 16:00
Alarge truck is moving 22.0 m/s. if itβs momentum is 125,000 kg β’ m/s, what is the trucks mass
Answers: 1
Physics, 22.06.2019 03:30
Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.
Answers: 3
Physics, 22.06.2019 09:00
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.
Answers: 3
Physics, 22.06.2019 11:00
Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.
Answers: 1
The ends of a to two fixed points a, b in the same vertical line, b being depth 2a below a. threaded...
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