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A ball is shot up from the ground with an initial vertical velocity of 30 m/s. What is the velocity of the ball as it reaches its highest point
Answers: 2
Physics, 21.06.2019 21:10
State one advantage and one disadvantage of using a plane mirrior as a driving mirrior
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Physics, 22.06.2019 03:30
Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.
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Physics, 22.06.2019 10:00
Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?
Answers: 1
A ball is shot up from the ground with an initial vertical velocity of 30 m/s. What is the velocity...
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