If the magnitudes of the velocity and acceleration of point A of the rotating bar are VA-3 m/s and A-27 m/s, what is the magnitude of the angular velocity co?a=0.58 m, b=0.14 m, and C=0.81 m. B -a 0), a -a-
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- page A person 1.56 m tall swings their leg from the hip at 1.51 radians/s. Calculate the linear tangential velocity (v) at their knee to 2 decimal places. Answer. re to search 561 R T 6 B N U 8 O Pa Next page d Construction on A20...A disk 8.00 cm in radius rotates at a constant rate of 126 rad/s about its central axis. Determine the radial acceleration of a point on the rim in m/s?. Lütfen birini seçin: O A. 1540 O B. 1270 O C. 1320 O D. 1480 O E. 1680An ultracentrifuge accelerates from rest to 108600rpm in 2.1min. A. What is its angular acceleration in units of radians per second squared? B. What is the tangential acceleration, in meters per second squared, of a point 9.5cm from the axis of rotation? C. What is the centripetal acceleration, in multiples of g, of this point at full speed?
- At time t= 0s, a wheel has an angular displacement of zero radians and an angular velocity of 29 radja The wheel has a constant acceleration of -0.52 radjs?. In this situation, the maximum value of the angular displacement, in rad, is closest to: OA. +1011 O B. +1617 OC. +1213 O D.+1415 O E. +809Imagine a disc which has a diameter of 2.00m. The angular velocity of the spinning disk is 305rev/min. a) What is the angular velocity of the disk in radians per second? b) What is the linear speed of a point on the rim of the disk? (m/s) c) Find the angular accleration (in revolutions per minute-squared)that will increase the disk's angular velocity to 1000 rev/min in 60 s. Assume the acceleration is constant. d) How many revolutions does the disk make during this 60 s accleration? d)a) What is the period of rotation of Venus in seconds? (The period of rotation of Venus in hours is 5,832.5 hr.) Answer in seconds (b)What is the angular velocity (in rad/s) of Venus? (Enter the magnitude.) Answer in rad/s (c) Given that Venus has a radius of 6.1 ✕ 106 m at its equator, what is the linear velocity (in m/s) at Venus's surface? (Enter the magnitude of the linear velocity at the equator.) Answer on m/s
- 20. A disk with radius 50.0 [m] rotates at a rate of 1.50 [rad/s]. What is the tangential speed at the edge of the disk? A. 0.03 [m/s] C. 33.3 [m/s] B. 8.66 [m/s] D. 75.0 [m/s]An ultracentrifuge accelerates from rest to 9.97 x 105 rpm in 1.51 min. What is its angular acceleration in radians per second squared? angular acceleration: What is the tangential acceleration of a point 9.10 cm from the axis of rotation? tangential acceleration: radial acceleration: rad/s² What is the radial acceleration in meters per second squared and in multiples of g of this point at full revolutions per minute? radial acceleration in multiples of g: m/s² m/s²The disk starts at wo = 2 rad/s when 0 = 0, and is given an angular acceleration a = (0.30) rad/s², where is in radians. (Figure 1) Figure 0.4 m P 1 of 1 Part A Determine the magnitude of the normal component of acceleration of a point P on the rim of the disk when 0 = 1 rev. Express your answer to three significant figures and include the appropriate units. an = LUI Part B xa 20.5 Submit μA xa at = 1.51 Xb Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedback مرات b Determine the magnitude of the tangential component of acceleration of a point P on the rim of the disk when 0 = 1 rev. Express your answer to three significant figures and include the appropriate units. μA Xb X.10n m a b ? m X.10n X X Previous Answers Request Answer ? X Incorrect; Try Again; 5 attempts remaining
- According to a recent finding, it would appear that 70 million years ago, the Earth was spinning a bit more rapidly than it is today, and the day was 30 minutes shorter than it is now. What has been the magnitude of the Earth's average angular acceleration over the past 70 million years? rad/s? 1 O 1.55 x 10-21 2 6.09 x 10 2 rad/s2 3.18 x 10 22 rad/s- 3 7.05 x 10 22 rad/s2 4A rotating disk is initially spinning at w= 2.7 rev/s, slows down and stops in 19.4 s. What is the magnitude of the disk's average angular acceleration? (in rev/s^2) 0.28 .a O 26.19 .b O 0.14.c O 0.14-.d OThe flight from Kampala to Singapore takes 7.3 hours. What is the plane’s angular velocity relative to the earth’s surface? Give your answer in °/h.