Physics, 29.08.2019 19:10 viktoria1198zz
An electron in a vacuum is first accelerated by a voltage of 79900 v and then enters a region in which there is a uniform magnetic field of 0.364 t at right angles to the direction of the electron's motion. what is the force on the electron due to the magnetic field?
Answers: 2
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Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount
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Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
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Which best describes the difference between internal and thermal energy?
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Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?
Answers: 1
An electron in a vacuum is first accelerated by a voltage of 79900 v and then enters a region in whi...
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