Physics, 11.12.2019 06:31, atkinsonsinbraz
Amosquito flaps its wings 600 vibrations per second which produces the annoying 600hz buzz. the speed of sound is 340 m/s. how far does the sound travel between wing beats?
Answers: 2
Physics, 22.06.2019 03:00, emilypzamora11
If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?
Answers: 2
Physics, 22.06.2019 19:30, isiahb123
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
Physics, 22.06.2019 21:00, cathydaves
During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver
Answers: 2
Physics, 22.06.2019 21:50, Hailey1313131313
Ajoint produces movement when its angle decreases. which type of movement is it?
Answers: 1
Amosquito flaps its wings 600 vibrations per second which produces the annoying 600hz buzz. the spee...
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Mathematics, 06.12.2019 11:31