Physics, 21.01.2021 20:40 leslieperez67
A 5000 kg train is traveling at a velocity of 100 m/s and hits another train. the 2 train stick together, and the new velocity is 50 m/s what is the mass of a second train
a: 8,000
b: 15,000
c: 10,000
d: 5,000
Answers: 1
Physics, 22.06.2019 19:40
22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?
Answers: 1
Physics, 23.06.2019 02:30
There are multiple tuning forks present in the room, and annie strikes one with a natural frequency of 400 hz. which of these other tuning forks will begin to vibrate through resonance and make the sound louder? a 200 hz tuning fork a 400 hz tuning fork a 800 hz tuning fork a 1600 hz tuning fork
Answers: 1
A 5000 kg train is traveling at a velocity of 100 m/s and hits another train. the 2 train stick toge...
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