Physics, 31.12.2019 01:31 lberries08
If a 0.15 kg ball on the end of a string is swung in a vertical circle of radius .6 meters and makes 2 revolutions per second, what is the tension in the string at the very top of the circle? what is the tension in the string at the bottom of the circle? (12.7 n; 15.7 n)
Answers: 3
Physics, 22.06.2019 07:10
Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers
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Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
Physics, 22.06.2019 16:00
The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2
Answers: 1
Physics, 22.06.2019 17:00
How much energy is supplied to each coulomb of charge that flows through a 12-v battery?
Answers: 1
If a 0.15 kg ball on the end of a string is swung in a vertical circle of radius .6 meters and makes...
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