Physics, 01.07.2019 02:30 lizzzzi7908
Light travels approximately 982,080,000 ft/s, and one year has approximately 32,000,000 seconds. a light year is the distance light travels in one year. state the number of seconds in one year, using scientific notation. (remember to use appropriate significant figures.) 3.2 x 10 7 s 3.0 x 10 7 s 3 x 10 7 s
Answers: 1
Physics, 21.06.2019 22:20
Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
Answers: 1
Physics, 22.06.2019 04:30
The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.
Answers: 1
Physics, 22.06.2019 08:00
5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.
Answers: 3
Light travels approximately 982,080,000 ft/s, and one year has approximately 32,000,000 seconds. a l...
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