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Physics, 21.06.2019 21:30
Apendulum has a mass of 1.5 kg and starts at a height of 0.4 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path? acceleration due to gravity is g = 9.8 m/s2. a. 2.8 m/s b. 0 m/s c. 5.9 m/s d. 4.3 m/s
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 13:10
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 à 1013 rad/s. the mass of a nickel atom is 9.75 à 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 à 10-34 j ⢠s, , 1 ev = 1.60 à 10-19 j)
Answers: 2
Physics, 22.06.2019 15:30
What is a costume plot? why is it important to a film or theater production?
Answers: 3
when the wind blows it creates a pressure on any force it blows against. A large pressure window has...
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