A pendulum makes 12 complete cycles in 20 s. What is the length of this pendulu Select one: O O a. 40cm b. 60cm c. 50cm O d. 30cm O e. 70cm 4
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- N10T.1 If you double the amplitude of a harmonic oscilla- tor, the oscillator's period A. Decreases by a factor of 2. B. Decreases by a factor of /2. C. Does not change. D.Increases by a factor of /2. E. Increases by a factor of 2. Changes by some other factor (specify). F.A horizontal spring (k=450n/m) with a mass of 0.75kg attached to it is undergoing simpleharmonic motion. Calculate thea. Periodb. Frequencyc. Angular frequencyThe figure below shows the position graph of a mass oscillating on a horizontal spring. What is the phase constant φ。? 0 b. 0 rad C. π/ 2 rad d. IT rad e. none of these
- You have a stationary mass attached to a compressed spring that is facing horizontal (on a frictionless plane). You give the mass a quick whack with a hammer, such that the mass has an initial velocity of 6.0 m/s. The amplitude of the oscillation of the mass is 4.0 m. How far is the mass from its starting position after 2.0 s? A) 0.50 m B) 0.56 m C) 0.78 m D) 1.0 m E) 1.1 m F) 2.0 m G) 2.3 m H) 4.0 m1.A hoop is hung on a horizontal nail and undergoes small oscillations, once every 2 seconds. What is the radius of the hoop?tatus: QUESTION 38 The figure shows x(t) curves for three experiments involving a particular spring-box system oscillating in SHM. Rank the curves according to the spring's potential energy at time t=0, greatest to least. Xx O A. 3, 2, 1 O B. 1, 2, 3 O C.1=2=3 O D.3, then 1=2 O.E. 1=2, then 3 nit. Click Save All Answers to save all answers. MacBook Air
- 5-tion Status: 2, then 3 QUESTION 39 A simple harmonic oscillator consists of a block of mass 3.10 kg attached to a spring of spring constant 480 Nim. When t=1.10s, the position and velocity of the block are = 0.181 m and v= 4.410 m/s. What is the amplitude of the oscillations? OA.0.3979 m OB.0.4311 m OC.0.3235 m OD.0.1265 m OE. 0.5263 m nt is maximum when the1. A grandfather clock is constructed so that it has a simple pendulum that swings from one side to the other, a distance of 30.1 mm, in 1.00 s. what is the maximum speed of the pendulum bob?