Homework Help is Here – Start Your Trial Now!
Science
Physics
1) A0.1 kg object oscilltes as a simple harmonic motion along the x -axis with a frequency/= 3.185 Hz. At a position r, the object has a kinetic energy of 0.7 1 and a potential energy 0.31. The amplitude of ascillation, A, is: (a) 0.12 m (b)0.22 m (c) 0.31 m (d)0.42 m 2) A block of mass m is attached to a spring with force constant, k and oscillate at a frequency f. If the mass is changed to m' = m/2, and the spring force is changed to k' = 2k, then the new frequencyf" of the oscillation would be, (a) = 21 (c)/ = 1/2 (d)/ =4/ The following given is for questions 3 and 4: A block of mass m =2 kg is attached to a spring with spring constant k = 200 N/m, and set to oscillates on a frictionless horizontal surface. At time t= 0 its position is xa = 0 and its velocity is +5 m/s. 3) Which of the following is true about the oscillation amplitude and the phase constant, e: (a)A = 0.5, ea/2

1) A0.1 kg object oscilltes as a simple harmonic motion along the x -axis with a frequency/= 3.185 Hz. At a position r, the object has a kinetic energy of 0.7 1 and a potential energy 0.31. The amplitude of ascillation, A, is: (a) 0.12 m (b)0.22 m (c) 0.31 m (d)0.42 m 2) A block of mass m is attached to a spring with force constant, k and oscillate at a frequency f. If the mass is changed to m' = m/2, and the spring force is changed to k' = 2k, then the new frequencyf" of the oscillation would be, (a) = 21 (c)/ = 1/2 (d)/ =4/ The following given is for questions 3 and 4: A block of mass m =2 kg is attached to a spring with spring constant k = 200 N/m, and set to oscillates on a frictionless horizontal surface. At time t= 0 its position is xa = 0 and its velocity is +5 m/s. 3) Which of the following is true about the oscillation amplitude and the phase constant, e: (a)A = 0.5, ea/2

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
See similar textbooks
icon
Related questions
icon
Concept explainers
Topic Video
Question
8:34 O A O 19 l 42% + PHYS220_Spring-20-... PHYS220_ Spring/20-21 Practice Sheet-1 Keys 1) A0.1 kg object oscillates as a simple harmonic motion along the x -axis with a frequency /= 3.185 Hz. At a position x. the object has a kinetic energy of 0.7 and a potential energy 0.31. The amplitude of ascillation, A, is: (a) 0.12 m (b)0.22 m (c) 0.31 m (d)0.42 m 2) A block of mass m is attached to a spring with force constant, k and oscillate at a frequency f. If the mass is changed to m' = m/2, and the spring force is changed to k' = 2k, then the new frequency f of the oscillation would be, (a)/ = 2/ (b)/"=/ (c) = f/2 (d)/ = 4/ The following given is for questions 3 and 4: A block of mass m =2 kg is attached to a spring with spring constant k = 200 N/m, and set to oscillates on a frictionless horizontal surface. At time t = 0 its position is x = 0 and its velocity is s Ve = +5 m/s. 3) Which of the following is true about the oscillation amplitude and the phase constant, o: (a)A = 0.5, g=z/2 (b)A = 0.5, p=-a/2 (c) A = 0.25, e==/2 (d)A = 0.25, e=-x/2 4) When the block's velocity has the value p = /2. then its position has the possible values of (a) x = t(3/4)4 (b)x = tA/2 (c) x = t(V3/2)A (d)x = t(vZ/2)A 5) A block-spring system oscillates in a simple harmonic motion on a frictionless horizontal table. Its displacement varies with time according to x(t) = 0.2 cos(2t -/4). The earliest time the particle reaches positionr =0.1 m is (a)t S (b)= 24 47 (e)t=- 24 (4) t=5 6) Consider a bob attached to a vertical string At t = 0, the bob is displaced to a new position where the string makes -8 with the vertical and is then released from rest. If the angular displacement 0(t) is written as a cosine function, then the phase constant o is: (a) -R/2 (b)0 (e) +*/2 (d)= 7) A bob attached to a cord is moved to the right where its vertical position is 1.05 cm above the equilibrium position and is then given an initial speed of 0,6 m/s. What are the values of the maximum speed and maximum height reached by the bob? (Take g=9.8 m/s) (a) hmas = 1.87 cm; nas = 344 m/s (b) h = 2.89 cm; Fna = 0.75 m/s (c) hman = 1.87 cm; Fmas =0.75 m/s (d)hmax =2.89 cm; Fman = 3.44 m/s 8) A simple pendulum of length L and mass M has frequency f. To increase its frequency to 2f: (a) decrease its length to L/4 (b)decrease its length to L/2 (c) increase its length to 21. (d)increase its length to 4L 9) A simple pendulum of length Lis set to oscillate in simple harmonie motion. When its potential energy is one-half its total mechanical energy, U = E/2, then which of the following is true about its velocity: II
Transcribed Image Text:8:34 O A O 19 l 42% + PHYS220_Spring-20-... PHYS220_ Spring/20-21 Practice Sheet-1 Keys 1) A0.1 kg object oscillates as a simple harmonic motion along the x -axis with a frequency /= 3.185 Hz. At a position x. the object has a kinetic energy of 0.7 and a potential energy 0.31. The amplitude of ascillation, A, is: (a) 0.12 m (b)0.22 m (c) 0.31 m (d)0.42 m 2) A block of mass m is attached to a spring with force constant, k and oscillate at a frequency f. If the mass is changed to m' = m/2, and the spring force is changed to k' = 2k, then the new frequency f of the oscillation would be, (a)/ = 2/ (b)/"=/ (c) = f/2 (d)/ = 4/ The following given is for questions 3 and 4: A block of mass m =2 kg is attached to a spring with spring constant k = 200 N/m, and set to oscillates on a frictionless horizontal surface. At time t = 0 its position is x = 0 and its velocity is s Ve = +5 m/s. 3) Which of the following is true about the oscillation amplitude and the phase constant, o: (a)A = 0.5, g=z/2 (b)A = 0.5, p=-a/2 (c) A = 0.25, e==/2 (d)A = 0.25, e=-x/2 4) When the block's velocity has the value p = /2. then its position has the possible values of (a) x = t(3/4)4 (b)x = tA/2 (c) x = t(V3/2)A (d)x = t(vZ/2)A 5) A block-spring system oscillates in a simple harmonic motion on a frictionless horizontal table. Its displacement varies with time according to x(t) = 0.2 cos(2t -/4). The earliest time the particle reaches positionr =0.1 m is (a)t S (b)= 24 47 (e)t=- 24 (4) t=5 6) Consider a bob attached to a vertical string At t = 0, the bob is displaced to a new position where the string makes -8 with the vertical and is then released from rest. If the angular displacement 0(t) is written as a cosine function, then the phase constant o is: (a) -R/2 (b)0 (e) +*/2 (d)= 7) A bob attached to a cord is moved to the right where its vertical position is 1.05 cm above the equilibrium position and is then given an initial speed of 0,6 m/s. What are the values of the maximum speed and maximum height reached by the bob? (Take g=9.8 m/s) (a) hmas = 1.87 cm; nas = 344 m/s (b) h = 2.89 cm; Fna = 0.75 m/s (c) hman = 1.87 cm; Fmas =0.75 m/s (d)hmax =2.89 cm; Fman = 3.44 m/s 8) A simple pendulum of length L and mass M has frequency f. To increase its frequency to 2f: (a) decrease its length to L/4 (b)decrease its length to L/2 (c) increase its length to 21. (d)increase its length to 4L 9) A simple pendulum of length Lis set to oscillate in simple harmonie motion. When its potential energy is one-half its total mechanical energy, U = E/2, then which of the following is true about its velocity: II
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Simple Harmonic Motion
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON
SEE MORE TEXTBOOKS