Physics, 07.07.2019 15:30 lovecats12
Achild is sliding down a slide at the playground. is the mechanical energy conserved? why or why not? the mechanical energy is conserved. there is as much ke at the end as there was pe at the beginning. the mechanical energy isn't conserved. some energy is lost to friction. mechanical energy is always conserved. the mechanical energy isn't conserved. some energy is lost to gravity.
Answers: 1
Physics, 21.06.2019 18:10
Achild throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. the ball leaves her hand 1.00 m above the ground. how long is the ball in flight before it hits the ground?
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Physics, 21.06.2019 23:00
When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart
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Physics, 21.06.2019 23:50
Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?
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Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?
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Achild is sliding down a slide at the playground. is the mechanical energy conserved? why or why no...
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