Iput alot of points
from the equation f = mv2/r, calculate the tension in a 1 m length of string that whirls a 1 kg mass at 4 m/s in a horizontal circle.
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a string of length 3 m whirls a 2 kg mass at 3 m/s in a horizontal circle. what would be the tension for each of the following cases.
(a) twice the mass
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(b) twice the speed
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(c) twice the length of string (radial distance)
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(d) twice the mass, twice the speed, and twice the distance all at the same time
Answers: 1
Physics, 22.06.2019 05:10
Which situation will have the highest resistance? a.long wire and high temperatureb.short wire and high temperaturec.long wire and cold temperaturedshort wire and low temperature
Answers: 2
Physics, 22.06.2019 11:00
Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.
Answers: 3
Physics, 22.06.2019 11:50
Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?
Answers: 2
Iput alot of points
from the equation f = mv2/r, calculate the tension in a 1 m length o...
from the equation f = mv2/r, calculate the tension in a 1 m length o...
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