Physics, 05.12.2019 22:31 GamerGirl15
a new cannon was being developed in a science lab. the instructor wanted to do some testing of the cannon's ability to launch objects with different masses. the instructor used tennis balls and filled them with lead, rocks, and styrofoam. the fourth tennis ball had nothing in it. the instructor fired each tennis ball with the same speed and measured the kinetic energy of each over a period of one second.
Answers: 1
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Matt is driving down 7th street. he drives 150 meters in 18 seconds. assuming he does not speed up or slow down, what is his speed?
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Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
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In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant
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Physics, 22.06.2019 07:00
Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?
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a new cannon was being developed in a science lab. the instructor wanted to do some testing of the c...
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