An object of mass m = 5.0 kg hangs from a cord around a light pulley: the length of the cord between the oscillator and the pulley is l = 2.0 m. when the oscillator is set to a frequency of 150 hz, a standing wave with six loops is formed. what must be the linear mass density of the cord?
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Physics, 22.06.2019 05:30
Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.
Answers: 1
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
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Physics, 22.06.2019 11:00
What is the measurement of how fast an object moves relative to a reference point?
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An object of mass m = 5.0 kg hangs from a cord around a light pulley: the length of the cord betwee...
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