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djdjdosoe6504
25.01.2020 •
Physics
Avertical spring with spring stiffness constant 305 n/m oscillates with an amplitude of 28.0 cm when 0.235 kg hangs from it. the mass passes through the equilibrium point (y=0) with positive velocity at t=0. positive direction of y-axis is downward.
part a
what equation describes this motion as a function of time?
part b
at what time will the spring stretch to its maximum length at first time?
part c
at what time will the spring shrink to its minimum length at first time?
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Ответ:
0.0436 s
0.1308 s
Explanation:
A = Amplitude = 28 cm
m = Mass = 0.235 kg
k = Spring constant = 305 N/m
The equation which describes motion as a function of time is given by
Angular speed is given by
The equation is
Maximum length will be at amplitude
Amplitude is given by
here
The time to stretch to maximum length is 0.0436 s
At minimum length
The time will the spring shrink to its minimum length at first time is 0.1308 s
Ответ:
Yee Been there, didnt end up so well
Explanation: