Quiz (1) from the beginning to frequency

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1- A particle is in simple harmonic motion with period T. At time t = 0 it is at the equilibrium point. Of the following times, at which time is it furthest from the equilibrium point?

• 0.5 T
• 0.7 T
• T
• 1.4 T
• 1.5 T

2- An object attached to one end of a spring makes 20 complete oscillations in 10 s. Its period is:

• 2 Hz
• 10 S
• 0.5 Hz
• 2 S
• 0.5 s

3- The opposite figure shows the motion of a simple pendulum where xy = yz = zk = kl. If the pendulum takes time (t) to move from x to y, the periodic time is

• 8t
• less than 8t
• greater than 8t
• indeterminable

4 - The opposite figure shows the motion of a simple pendulum, If xy = yz = zk = kl. so

• KE at y equal KE at K
• PE at l less than PE at Y
• KE at K greater than PE at x
• all the previous

5- If the time of maximum displacement of a simple pendulum equals 0.008 s then the number of revolutions per second of the pendulum is

• 0.032 s
• 0.032 Hz
• 31.25 s
• 31.25 Hz
• kolo ghalat