The angular speed of a motor wheel is increased from 1200 rpmto 3120 rpm in 16 seconds. (i) What is its angular acceleration, assuming theacceleration to be uniform? (ii) How many revolutions does the engine make during this time?

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Q: A wheel rotates clockwise about its central axis with an angular momentum of 600Kg.m 2 /s. At time…

A: Given, Angular momentum, L= 600 kg m2/s, torque, τ=50 Nm, and moment of inertia, I=300 kg m2.

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A: Given data: Mass of flywheel is, m=50.0 kg. Radius of Gyration is, K=40.0 cm=0.4 m. Rate of…

Q: c. With the wheel starting from rest, this torque is applied constantly. After three revolutions,…

A: c. The angular acceleration expression ωf2=ωi2+2α∆sωf2=0+2α∆s⇒α=ωf22∆s

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Q: A powerful motorcycle can accelerate from 0 to 30.0 m/s (about 108 km/h) in 4.20 s. What is the…

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Q: A wheel starts from rest and has an angular acceleration that is given by a (t) = 6 rad/s*)t< The…

A: poi

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A: Given The mass of the race car is m1 = 750 kg. The velocity of the car's first turns is v1 = 220…

Q: a rider notices that the wheels of his bycicle make 12 rev in 15s. what is the average angular speed…

A: Given: The revolution of the wheel in 15 s is 12 rev. The radius of the wheel is 33 cm.

Q: The angular velocity of a merry go round is increased from 0.47 rad/s to 1.8 rad/s with the constant…

A: Given :  Initial angular velocity, ω1 = 0.47 rad/s final angular velocity,ω2 =1.8 rad/s Time…

Q: What is the linear acceleration of a point on the rim of a 11.0-cm-diameter disk rotating at a…

A: Diameter (d) = 11cm  Radius (r) = 5.5cm = 0.055m  Angular speed (w) = 47.4 rpm = 4.9637 rad/sec

Q: A vehicle is slowing down at a rate res of radius 0.30 m have initial angule 5 s-1, determine: a)…

A: The acceleration of  the vehicle  a = -2.5 m/s2  The radius of the tires r = 0.30 m  The initial…

Q: The system is at rest with the spring unstretched when � = 0. The 3 kg particle is then given a…

A: theta =0. , b = 0.40 m  mass= 3 kg part a); theta = 49 degree, ,k = ? part b)  k = 100 N/m, speed of…

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Q: A wheel with a radius 0.38 rolls across the level ground, initially moving forward with a speed of…

A: Given data:  Radius, r = 0.38 m  Initial speed, v i = 17.3 m/s  Final speed, v f = 8.43 m/s…

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A: Answer = 9.42 m/s

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A: Given: Initial angular speed=ωi=2 radsec Time=t=2 sec

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A: The torque is given by The torque can also be written as

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Q: If a wheel is turning at a constant angular speed of 5.8 rad/s, the time it takes to complete one…

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Q: A carousel is initially at rest. At t=0, it is given a constant angular acceleration, alpha = 0.5…

A: Equation of motion in rotational mechanics can be expressed as, ω=ω0+αt

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Q: Suppose you have two rotating disks. Disk 1 has a constant angular velocity of 10rad/s, and Disk 2…

A: Given that:- Angular velocity of disk1=10rad/sec  Angular acceleration of disk2=2rad/sec^2

Q: A motor rider notices that the wheels of his road bike make 18 rev in 20 s. What is the average…

A: Given, the angular speed of the wheel is 18 rev per 20 s.

Q: An object undergoes a uniform angular acceleration. In the time ,t, since the object started…

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Q: is given an initial velocity v = 0.2 m/s. The maximum angular speed, O'max, is:

A: It is given that a simple pendulum with L=2m Initial velocity =0.2m/s

Q: A wheel with a radius 0.5 rolls across the level ground, initially moving forward with a speed of…

A: Given R=0.5 m u=19.7 m/s  v=9.19 m/s No. of revolutions=24

Q: agnitude of the angular acceleration from least to greatest (that is, least occurs fırst, greatest…

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Q: What is the angular momentum of a 3.7-kg uniform cylindrical grinding wheel of radius 24 cm when…

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Q: The angular speed of a disk decreases uniformly from 12 to 5 rad/s in 16 s . Compute the angular…

A: ⇒GivenThe angular speed of the disk dereases from (2to 5rad/s⇒Given Intial angular velocity Wi = 12…