1. A 400-g mass vibrates according to the equation y = 0.45 m sin 8.4 t, where y is in meters, and t in seconds. Determine: (p. 366) (a) the amplitude, A = m, (b) the period, T = (p. 369) rad/s Hz, (c) the frequency, f = (n. 371 Ea. (15-15)) (d) the angular frequency, o = (Hooke's Law)
1. A 400-g mass vibrates according to the equation y = 0.45 m sin 8.4 t, where y is in meters, and t in seconds. Determine: (p. 366) (a) the amplitude, A = m, (b) the period, T = (p. 369) rad/s Hz, (c) the frequency, f = (n. 371 Ea. (15-15)) (d) the angular frequency, o = (Hooke's Law)
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Transcribed Image Text:Name: Ada Mux
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1. A 400-g mass vibrates according to the equation y = 0.45 m sin 8.4 t, where y is in meters, and
t in seconds. Determine:
(p. 366)
(a) the amplitude, A =
m,
S,
(b) the period, T =
(p. 369)
(c) the frequency, f =
Hz,
rad/s
(d) the angular frequency, o
(Hooke's Law)
(p. 371 Eq. (15-15))
(e) the spring constant, k =
N
(f) the force at y = 0.3 m, F =
(Eq. (15-17))
(p. 372, Eq. (15-16))
m/s
(g) total energy, E =
(p. 372)
(h) the speed at y = 0.3 m, v =
(p. 372)
(i) the KE at y = 0.3 m
(j) the PE at y = 0.3 m,
(p. 366, Eq. (15-1))
(k) the position at t = 0.1 s, y =
m (hint: put calculator in radians mode!)
J,
J.
N/m,
J
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