Ihave a couple of questions related to physics (science).
i have an end of year exam in two we...
Physics, 20.08.2019 10:30 chivitogomez2400
Ihave a couple of questions related to physics (science).
i have an end of year exam in two weeks and have been revising like crazy!
here are some of the questions i don't understand:
1. the speed of light in air is 300 million or 340 m/s.
2. white light is made up of different ? of light. each colour has a different ? , and is ? by a different amount when it goes through a prism. violet is refracted the ? and red is refracted the ? . this means that when white light passes through a prism, a rainbow or ? is produced. the name for this process is ? .
Answers: 1
Physics, 21.06.2019 22:30
A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?
Answers: 3
Physics, 22.06.2019 12:10
Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)
Answers: 3
Physics, 22.06.2019 22:50
Which lists correctly orders nuclear reactions from most radioactive waste generated to least waste generated within a given period of time? o a. radioactive decay, nuclear fission, nuclear fusion o b. radioactive decay, nuclear fusion, nuclear fission o c. nuclear fusion, nuclear fission, radioactive decay o d. nuclear fission, nuclear fusion, radioactive decay
Answers: 3
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