Physics, 13.11.2020 22:10 legrandschool1oxa0sd
You throw a ball straight up. You are extra strong feeling today. It takes 11 seconds for the ball to come back down.
a. How high did you throw it?
b. What was the initial speed you threw it at?
Answers: 2
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesnât, as machines are inefficient. d) no, it doesnât, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excitedâstate hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
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Physics, 22.06.2019 17:40
Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?
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Physics, 22.06.2019 23:00
1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system
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You throw a ball straight up. You are extra strong feeling today. It takes 11 seconds for the ball t...
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