Physics, 27.11.2019 06:31 yasiroarafat12
Aperiodic vibration at x = 0, t = 0 displaces air molecules along the x direction by smax = 3.1e-05 m. the motion produces a sound wave that travels at a velocity of v = 340 m/s with a frequency of f = 35 hz. take the density of air as rhoa = 1.20 kg/m3.
Answers: 3
Physics, 21.06.2019 17:50, absolyoshi101
Which of the following represents an upside-down image?
Answers: 2
Physics, 22.06.2019 18:30, breiajr
Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s. when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?
Answers: 3
Aperiodic vibration at x = 0, t = 0 displaces air molecules along the x direction by smax = 3.1e-05...
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