Physics, 01.09.2019 23:30 HugoArellano
You have trained all year for a marathon. in your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4.5 hours. what would your average speed have to be to complete the race in 4.5 hours? give your answer in kilometers per hour.
Answers: 1
Physics, 21.06.2019 13:30
What do radio waves and microwaves have in common? both are at the side of the spectrum that has the shortest wavelengths. both are at the side of the spectrum that has the lowest radiant energy. both are at the side of the spectrum that has the lowest frequency. both are found next to visible light on the electromagnetic spectrum.
Answers: 1
Physics, 21.06.2019 16:20
A1,200 kg car is accelerated at 3.7 m/s2. what force was needed to produce this acceleration? a. 4,440 n b. 324.3 n c. 4,388 n d. 304.3 n
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Physics, 22.06.2019 10:30
Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
Answers: 1
Physics, 22.06.2019 20:30
Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road
Answers: 2
You have trained all year for a marathon. in your first attempt to run a marathon, you decide that y...
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