I need answers for 4 5 6 and 7 1. Consider the case of a rotating wheel at rest and starting a clockwise rotation,meaning the negative direction of the angular velocity, and increasing(negatively) its value up to -12 rad/sec for 2 seconds, It then maintains aconstant velocity for 2 seconds, and then uniformly reduces the magnitude ofthe velocity for 2 seconds until the wheel is momentarily stopped and restartsits rotation counterclockwise with positive angufar velocity, accelerating up to20 rad/sec in 2 seconds and remaining at a constant rotation for 2 moreseconds. Finally, the wheel stops gradually in 2 seconds. Next you can see thegraph of angutar velocity versus time of this rotation:rads)10122 Find the angular acceleration in the range from 0 to 2 seconds by applying thecorresponding rotational kinematics equation and write the equation as afunction of angular velocity regarding the time. Write the results below:Acceleration:Equation:rfit)3 Get the slope of the straight line in the range from 0 to 2 seconds and useanalytical geometry to build the equation of that line, in the type of equationslope-intercept form. Write the results below:Slkope:Origin intercept:Equation:e ft) 4 Compare the results in questions 2 and 3 by writing the relationship betweenthe concepts of rotational kinematics and analytical geometry. Include ananalysis of the acceleration sign.5 Determine how is the acceleration in the range from 2 to 4 seconds where thevelocity is constant. Also determine the slope of the straight line and theslope-intercept equation, writing the results below:Acceleration:Slope:Origin intercept:Equation:f(t)Find the angular acceleration in the range from 4 to 6 seconds by applying thecorresponding rotational kinematics equation and write the equation as afunction of angular velocity with regard to the time. Write the results below:Acceleration:Equation:o-f(t)7 Get the slope of the straight line in the range from 4 to 6 seconds and useanalytical geometry to build the equation of that line, in the slope-interceptequation form. Write the results below:Slope:Origin intercept:Equation:0=f(t)

Answered: Image /qna-images/answer/f7be8558-8962-4c61-b3f4-7e494422c317.jpg

. Consider the case of a rotating wheel at rest and starting a clockwise rotation, meaning the negative direction of the angular velocity, and increasing (negatively) its value up to -12 rad/sec for 2 seconds. It then maintains a constant velocity for 2 seconds, and then uniformly reduces the magnitude of the velocity for 2 seconds until the wheel is momentarily stopped and restarts its rotation counterclockwise with positive angular velocity, accelerating up to 20 rad/sec in 2 seconds and remaining at a constant rotation for 2 more seconds. Finally,. the wheel stops gradually in 2 seconds. Next you can see the graph of angutar velocity versus time of this rotation:

. Consider the case of a rotating wheel at rest and starting a clockwise rotation, meaning the negative direction of the angular velocity, and increasing (negatively) its value up to -12 rad/sec for 2 seconds. It then maintains a constant velocity for 2 seconds, and then uniformly reduces the magnitude of the velocity for 2 seconds until the wheel is momentarily stopped and restarts its rotation counterclockwise with positive angular velocity, accelerating up to 20 rad/sec in 2 seconds and remaining at a constant rotation for 2 more seconds. Finally,. the wheel stops gradually in 2 seconds. Next you can see the graph of angutar velocity versus time of this rotation:

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotation Of A Rigid Object About A Fixed Axis

Section: Chapter Questions

Problem 10.3OQ: A wheel is rotating about a fixed axis with constant angular acceleration 3 rad/s2. At different...

See similar textbooks

Similar questions

A disk 8.00 cm in radius rotates at a constant rate of 1200 rev/min about its central axis. Determine (a) its angular speed in radians per second, (b) the tangential speed at a point 3.00 cm from its center, (c) the radial acceleration of a point on the rim, and (d) the total distance a point on the rim moves in 2.00 s.
A potters wheel moves uniformly from rest to an angular speed of 1.00 rev/s in 30.0 s. (a) Find its average angular acceleration in radians per second per second. (b) Would doubling the angular acceleration during the given period have doubled the final angular speed?
A wheel is rotating about a fixed axis with constant angular acceleration 3 rad/s2. At different moments, its angular speed is 2 rad/s, 0. and +2 rad/s. For a point on the rim of the wheel, consider at these moments the magnitude of the tangential component of acceleration and the magnitude of the radial component of acceleration. Rank the following five items from largest to smallest: (a) |at| when = 2 rad/s, (b)|ar| when = 2 rad/s, (c)|ar| when = 0, (d) |at| when = 2 rad/s, and (e) |ar| when = 2 rad/s. If two items are equal, show them as equal in your ranking. If a quantity is equal to zero, show that fact in your ranking.
Math Review (a) Convert 47.0 to radians, using the appropriate conversion ratio. (b) Convert 2.35 rad to degrees. (c) If a circle has radius 1.70 m, what is the are length subtended by a 47.0 angle? (See Sections 1.5 and 7.1.)
A point on a rotating turntable 20.0 cm from the center accelerates from rest to a final speed of 0.700 m/s in 1.75 s. At t = 1.25 s, find the magnitude and direction of (a) the radial acceleration, (b) the tangential acceleration, and (c) the total acceleration of the point.
The propeller of an aircraft accelerates from rest with an angular acceleration = 4t + 6, where is in rad/s2 and t isin seconds. What is the angle in radians through which thepropeller rotates from t = 1.00 s to t = 6.00 s?
Olympic ice skaters are able to spin at about 5 rev/s. (a) What is their angular velocity in radians per second? (b) What is the centripetal acceleration of the skater's nose if it is 0.120 m from the axis of rotation? (c) An exceptional skater named Dick Button was able to spin much faster in the 1950s than anyone since—at about 9 rev/s. What was the centripetal acceleration of the tip of his nose, assuming it is at 0.120 m radius? (d) Comment on the magnitudes of the accelerations found. It is reputed that Button ruptured small blood vessels during his spins.
Integrated Concepts An ultracentrifuge accelerates from rest to 100,000 rpm in 2.00 min. (a) What is its angular acceleration in rad/s2? (b) What is the tangential acceleration of a point 9.50 cm from the axis of rotation? (c) What is the radial acceleration in m/s2 and multiples of g of this point at full rpm?
A truck with 0.420-m-radius tires travels at 32.0 m/s. What is the angular velocity of the rotating tires in radians per second? What is this in rev/min?
In circular motion, a tangential acceleration can change the magnitude of the velocity but not its direction. Explain your answer.
The dung beetle is known as one of the strongest animals for its size, often forming balls of dung up to 10 times their own mass and rolling them to locations where they can be buried and stored as food. A typical dung ball formed by the species K. nigroaeneus has a radius of 2.00 cm and is rolled by the beetle at 6.25 cm/s. (a) What is the rolling balls angular speed? (b) How many full rotations are required if the beetle rolls the ball a distance of 1.00 m?
A shaft is turning at 65.0 rad/s at time t = 0. Thereafter, its angular acceleration is given by =10.05.00t where is in rad/s2 and t is in seconds. (a) Find the angular speed of the shaft at t = 3.00 s. (b) Through what angle does it turn between t = 0 and t = 3.00 s?