Question
Hi guys, I need help with this workshop they are 21 points in going to put them by parts.
please help me
35% 17:53 284 SHORT ANSMER. Write the word or phrase that best completes cach stateme nt or answers the question. amplitude of 127 am and a frequency of 2.55 Hz. What An obiect is undergoing simple harmonic motion with froquency amplitude object to go from DD0 m 10 x 0.024 m? Choose the one alternative that best completes the statement or answers the quest A simple harmonicoscilbertor has an ampltude of 350 am and maximum speed of 28Domus. What is its speed when the displacement SHORT ANSWER Wi rite the word or phr ase that best oompletes each statement or amswers the question The position of an object that is oscillating on an idkal spring isgiven by the equation 1. At time t- 0815s IN how fast the moving? iby what is the magnitude of the acceleration of the object? MULTIPLE CHOICE. Choose the cne altemative that best completes the statement or answers the question. t) Amachine part is vibrating along the M-a in simple harmonic motion with a periodor027 sand aranga trom the maximum in ona direction to the maximum in the other 30cm At time t-oit ls at its central position and moving in the Adrection. What Its positon when AOK -051am SHORT ANSNER Writ the word or phr each statement or arrwers the question The component of the velocity of an object vibrating along thex axis obeys the equation Whi is ampliluckof th motionof this lb) What is the maximum aoceleration of the vibrating obiect?
Explanation / Answer
3)
A = amplitude = 3.50 cm = 0.035 m
Vmax = maximum speed = 28 cm/s = 0.28 m/s
w = amgular speed
using the formula
Vmax = Aw
0.28 = 0.035 w
w = 8
x = position = 1.75 cm = 0.0175 m
v = speed at new position = w sqrt(A2 - x2)
v = (8) sqrt((0.035)2 - (0.0175)2)
v = 0.24 m/s
