A block-spring system has a maximum restoring force Fmax 0.1 N. If the amplitude of the motion is A = 0.01 m and the mass of the block is m = 400 g then the angular frequency w is equal to O 10 rad/s 2.5 rad/s 20 rad/s 5 rad/s 1.25 rad/s

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter11: Dynamics Of Rigid Bodies
Section: Chapter Questions
Problem 11.15P
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O 1.5 sec
A block-spring system has a maximum restoring force Fmax = 0.1 N. If the
amplitude of the motion is A = 0.01 m and the mass of the block is m = 400 g
then the angular frequency w is equal to
O 10 rad/s
O 2.5 rad/s
20 rad/s
5 rad/s
1.25 rad/s
A simple pendulum is set into motion at two different times with different initial
conditions. The first time: the bob is in its equilibrium position and is given an
initial velocity +2 m/s. The maximum height reached by the bob is h1.max and the
period of motion is T1. Tihe second time: the bob is in its equilibrium position and
Transcribed Image Text:O 1.5 sec A block-spring system has a maximum restoring force Fmax = 0.1 N. If the amplitude of the motion is A = 0.01 m and the mass of the block is m = 400 g then the angular frequency w is equal to O 10 rad/s O 2.5 rad/s 20 rad/s 5 rad/s 1.25 rad/s A simple pendulum is set into motion at two different times with different initial conditions. The first time: the bob is in its equilibrium position and is given an initial velocity +2 m/s. The maximum height reached by the bob is h1.max and the period of motion is T1. Tihe second time: the bob is in its equilibrium position and
A simple pendulum consists of a 0.8-kg bob connected to a masslesss
inextensible cord with a length L= 1.4 m. The bob is set into motion and its
angular displacement is given by 0(t) = 0.11cos(wt), where 0 is in radians and tis
in seconds. Take g= 9.8 m/s^2, determine the mechanical energy of this
pendulum.
0.052 J
0.090 J
0.046 J
0.066 J
0 085 J
A musical note on a piano has a frequency of 40 H2. If the tension in the 2-m
string is 308 N. and one-half wavelength occupies the string, what is the mass of
the wire?
O 0019 kg
Transcribed Image Text:A simple pendulum consists of a 0.8-kg bob connected to a masslesss inextensible cord with a length L= 1.4 m. The bob is set into motion and its angular displacement is given by 0(t) = 0.11cos(wt), where 0 is in radians and tis in seconds. Take g= 9.8 m/s^2, determine the mechanical energy of this pendulum. 0.052 J 0.090 J 0.046 J 0.066 J 0 085 J A musical note on a piano has a frequency of 40 H2. If the tension in the 2-m string is 308 N. and one-half wavelength occupies the string, what is the mass of the wire? O 0019 kg
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