Physics, 12.03.2021 20:30, haileestulley
A ball with a potential energy of 7500 J is at the top of a hill. The ball weighs
500 N, what is the height of the ball?
A. 15 m
B. 8000 m
C. 3750000 m
D. 7000 m
Answers: 1
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Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.
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Physics, 22.06.2019 10:00, lorelei7668
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
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Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.
Answers: 1
A ball with a potential energy of 7500 J is at the top of a hill. The ball weighs
500 N, what is th...
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