Physics, 05.10.2020 14:01 sjaybanks4067
Figure shows a pirate ship 560 m from a fort defending
a harbor entrance. A defense cannon, located at sea level,
fires balls at initial speed vo = 82 m/s.
At what angle 0, from the horizontal must a ball be fired
to hit the ship?
Answers: 2
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Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.
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Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
Answers: 1
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How many neutrons does element x if it’s atomic number is 28 and its mass number is 87
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Figure shows a pirate ship 560 m from a fort defending
a harbor entrance. A defense cannon, located...
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