Physics, 18.01.2020 02:31 tamya12234
A21 g bullet is accelerated in a rifle barrel 114 cm long to a speed of 1180 m/s. use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated. answer in units of n.
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Physics, 22.06.2019 15:30
What is the increase in density of a medium due to wave travel?
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Physics, 22.06.2019 19:00
The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?
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Physics, 22.06.2019 19:30
Assume that two of the electrons at the negative terminal have attached themselves to a nearby neutral atom. there is now a negative ion with a charge -2e at this terminal. what are the electric potential and electric potential energy of the negative ion relative to the electron? the electric potential and the electric potential energy are both twice as much. the electric potential is twice as much and the electric potential energy is the same. the electric potential is the same and the electric potential energy is twice as much. the electric potential and the electric potential energy are both the same. the electric potential is the same and the electric potential energy is increased by the mass ratio of the oxygen ion to the electron. the electric potential is twice as much and the electric potential energy is increased by the mass ratio of the oxygen ion to the electron.
Answers: 3
A21 g bullet is accelerated in a rifle barrel 114 cm long to a speed of 1180 m/s. use the work-energ...
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