Consider a particle of mass m = 25.0 kg revolving around an axis with angular speed ω. The perpendicular distance from...
Consider a particle of mass m = 25.0 kg revolving around an axis with angular speed ω. The perpendicular distance from the particle to the axis is r= 1.75 m . (Figure 1)
Part A
Which of the following are units for expressing rotational velocity, commonly denoted by ω?
.
Check all that apply.
| radians per second |
| degrees per second |
| meters per second |
| arc seconds |
| revolutions per second |
Part C
Now that you have found the velocity of the particle, find its kinetic energy K.
Express your answer numerically, in joules.
|
|
||||
| K = |
_______ |
J |
SubmitRequest Answer
Homework Answers
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Consider a particle of mass m = 25.0 kg revolving around an axis with angular speed ω. The perpendicular distance from...
Consider a particle of mass m = 21.0 kg revolving around an axis with angular speed...
Consider a particle of mass m = 21.0 kg revolving around an axis
with angular speed ω. The perpendicular distance from the particle
to the axis is r = 1.75 m . (Figure 1)
Which of the following are units for expressing rotational
velocity, commonly denoted by ω?
Check all that apply.
radians per second
degrees per second
meters per second
arc seconds
revolutions per second
Consider a particle of mass m = 21.0 kg revolving around an axis with angular speed...
Consider a particle of mass m = 21.0 kg revolving around an axis
with angular speed ω. The perpendicular distance from the particle
to the axis is r = 1.75 m . (Figure 1)
1. Assume ω = 21.0 rad/s . What is the magnitude v of the
velocity of the particle in m/s?
2. Now that you have found the velocity of the particle, find
its kinetic energy K.
Express your answer numerically, in joules.
Part B Consider a particle of mass m = 25.0 kg revolving around an axis with...
Part B Consider a particle of mass m = 25.0 kg revolving around an axis with angular speed w. The perpendicular distance from the particle to the axis is r = 1.25 m. (Figure 1) Assume w = 39.0 rad/s. What is the magnitude v of the velocity of the particle in m/s? PO AQ * ? m/s Figure < 1 of 1 > Submit Request Answer Part C Now that you have found the velocity of the particle, find...
Consider a particle of mass m = 17.0 kg revolving around an axis with angular speed...
Consider a particle of mass m = 17.0 kg revolving around an axis with angular speed ω. The perpendicular distance from the particle to the axis is r = 0.250 m 2.Assume ω = 13.0 rad/s . What is the magnitude v of the velocity of the particle in m/s? 3. Now that you have found the velocity of the particle, find its kinetic energy K.
Consider a particle of mass mm that is revolving with angular speed ω around an axis....
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A thin uniform rod (mass= 4.0 kg, length= 120.cm) rotates about an axis that is perpendicular...
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An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude...
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An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude...
An electric ceiling fan is rotating about a fixed axis with an
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(25%) Problem 3: A mass m = 0.65 kg hangs at the end of a vertical...
(25%) Problem 3: A mass m = 0.65 kg hangs at the end of a vertical spring whose top end is fixed to the ceiling. The spring has spring constant k = 65 N/m and negligible mass The mass undergoes simple harmonic motion when placed in vertical motion, with its position given as a function of time by y(t) A cos(ot - *), with the positive y-axis pointing upward. At time t = 0 the mass is observed to be...
Consider a particle of mass m = 21.0 kg revolving around an axis
with angular speed ω. The perpendicular distance from the particle
to the axis is r = 1.75 m . (Figure 1)
Which of the following are units for expressing rotational
velocity, commonly denoted by ω?
Check all that apply.
radians per second
degrees per second
meters per second
arc seconds
revolutions per second
Consider a particle of mass m = 21.0 kg revolving around an axis
with angular speed ω. The perpendicular distance from the particle
to the axis is r = 1.75 m . (Figure 1)
1. Assume ω = 21.0 rad/s . What is the magnitude v of the
velocity of the particle in m/s?
2. Now that you have found the velocity of the particle, find
its kinetic energy K.
Express your answer numerically, in joules.
Part B Consider a particle of mass m = 25.0 kg revolving around an axis with angular speed w. The perpendicular distance from the particle to the axis is r = 1.25 m. (Figure 1) Assume w = 39.0 rad/s. What is the magnitude v of the velocity of the particle in m/s? PO AQ * ? m/s Figure < 1 of 1 > Submit Request Answer Part C Now that you have found the velocity of the particle, find...
A thin uniform rod (mass= 4.0 kg, length= 120.cm) rotates about an axis that is perpendicular to the rod; the axis intersects the rod at 1/3 of the rod's length. The rod rotates about the axis at the rate of 8 full revolutions per second. a. Compute the rotational Inertia of the rod based on the given axis of rotation. b. Compute the magnitude of the angular velocity in radians per second c. Compute the tangential speed of the end...
An electric ceiling fan is rotating about a fixed axis with an
initial angular velocity magnitude of 0.290 rev/s . The magnitude
of the angular acceleration is 0.886 rev/s2 . Both the the angular
velocity and angular accleration are directed clockwise. The
electric ceiling fan blades form a circle of diameter 0.800 m
.
Part A Compute the fan's angular velocity magnitude after time 0.194 s has passed Express your answer numerically in revolutions per second rev/S Submit Hints My...
(25%) Problem 3: A mass m = 0.65 kg hangs at the end of a vertical spring whose top end is fixed to the ceiling. The spring has spring constant k = 65 N/m and negligible mass The mass undergoes simple harmonic motion when placed in vertical motion, with its position given as a function of time by y(t) A cos(ot - *), with the positive y-axis pointing upward. At time t = 0 the mass is observed to be...
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