Ex. 14 The length of Hour hand of a wrist watch is 1.5 cm. Find magnitude of (a) Angular velocity
Q: 10) A projectile is launched directly over the x-axis from (0,0,0) at an angle of radians at 100…
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Q: A wheel 32 cm in diameter accelerates uniformly from 245 rpm to 360 rpm in 6.3 s A) How far will a…
A: Angular acceleration of the wheel = α t= 6.3 sec Initial angular velocity ωi=245 rpm =4.083 rps…
Q: A wheel with radius 0.465 m0.465 m rotates 5.035.03 times every second. Find the period ?T of this…
A: Given data: Radius of wheel (r) = 0.465 m Number of rotations per second = 5.03 Required: The…
Q: Macmillan A newly discovered planet has a mean radius of 1350 km. A vehicle on the planet's surface…
A: Given Mean radius of Planet is Rp =1350 km Speed of vehicle moving in the same direction of Planet's…
Q: Ex 28: a particle revolves in a circular path or radius 0.5 m at the rate of 720 r.p.m. calculate…
A: To find-Linear velocity (v)=?Given-radius (r)=0.5 mFrequency (n)=720 rpm=72060=12 Hz
Q: A wheel of radius 8.8 cm is rotating at 600 radians per second. The linear velocity of particle at…
A: Given: Radius of wheel, r=8.8 cm Numbers of rotation by wheel, n= 600 radians per second To…
Q: A race car travels with a constant tangential speed of 77.4 m/s around a circular track of radius…
A: Given data: Constant tangential speed (v) = 77.4 m/s Radius of circular path (r) = 677 m Required:…
Q: A wheel is rotating at 8 radians per second, and the wheel has a 74-inch diameter. What is the speed…
A: Given: The angular speed of the object is 8 rad/s. The diameter of the wheel is 74 inch.
Q: A engine wheel with 2m radius starts from rest and rotates with an acceleration of 5 rad/s2. How…
A: According to rotational kinematics θ=ω0t+12αt2 where θ=angular displacement ω0=Initial angular speed…
Q: An object travels in a vertical circle of 1.67 m radius. When the object is traveling downward and…
A: a) Calculate the radial acceleration. ar=axsinθ+aycosθar=[(18.5 m/s2)sin34°]+[(16.2…
Q: couple of 20 Nm and completes 60 revolutions Ex. 26 : A body rotating from rest due to a couple of…
A: To find-M.I. of body=?Given-Torque acting on a body τ=20 Nmn=60 r.p.m=1 r.p.st=60 sec
Q: (a) Convert 49.0 rev/min to radians per second. rad/s (b) Convert 3.95 rad/s to rev/min. rev/min…
A: Part (a): Given: The angular speed of the object is 49 rev/min. Calculation: The angular speed in…
Q: The automobile has a speed of 70 ft/s at point A and an acceleration aa having a magnitude of 20…
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Q: A car starts from rest along a circular path of radius 30 m. Its tangential acceleration is 0.5…
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Q: Circular Motion with acceleration, Find velocity when the particle reaches 53° if the angular…
A: For a body in a circular motion, it has constant speed and hence constant angular velocity. The…
Q: Point X moves in a circular path of 6-m radius so that its arc distance from an initial position Y…
A: The radius, R=6 m Linear displacement, s=6t3-4t Draw the figure as below. At time t=0, the…
Q: Agolf ball is launched with the initial conditions shown in the figure. Determine the radius of…
A: Given,u=154 mi/h=225.867 ft/sθ=12° The free body diagram is shown below,
Q: . A cyclist on a circular track of radius 800 ft is travelling at 27 fps. His speed in the…
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Q: An automobile with 0.220 m radius tires travels 60,000 km before wearing them out . How many…
A: Radius (R) of tires = 0.22 m distance moved (d) = 60,000 km
Q: A car goes around a level circular track with a diameter of 1.00 km constant speed of 99 km/h. What…
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Q: A metal wire of mass m = 24.1 mg can slide with negligible friction on two horizontal parallel rails…
A: The mass of the metal wire, m = 24.1 mgThe distance of separation between the wires, d = 2.56 cmThe…
Q: 50 radians are equal to how many degrees?
A: In the given problem we have to convert 50 rad into degree. Relation between radian and degree is π…
Q: An object moves in a 2D path of fixed radius with an angular position that satisfies: 0(t) = 00 + at…
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Q: A wheel of radius 5.9 cm is rotating at 600 radians per second. The linear velocity of particle at…
A: Given in question: Radius(R) = 5.9 cm = 0.059 meter Angular…
Q: A bowling ball rolls without slipping at a speed of vi. It encounters a ramp of verticle height h.…
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Q: The large blade of a helicopter is rotating in a horizontal circle. The length of the blade is 7.34…
A: Given:- The large blade of a helicopter is rotating in a horizontal circle. The length of the blade…
Q: A disk iwth a 0.45 m radius rotates from rest with a constant angular acceleration of 0.24 rad/s2,…
A: Radius of object is Angular acceleration is Initially object is at rest Time is Note:Find:(a)…
Q: A car wheel 30 cm in radius is turning at a rate of 8.0rev/ when the car begins to slow uniformly to…
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Q: A figure skater is initially spinning with his arms and one leg outstretched at 50 rpm. By slowly…
A: The expression from angular kinematics,
Q: How many radians does an motorcycle tires rotate after starting from rest and accelerating at a…
A: For circular angular motion, the formula for angular displacement θ and angular acceleration α is…
Q: A disk spins at 4.0 revolutions/second. What is its period, in second?
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Q: How fast (in rpm) must a centrifuge rotate if a particle 6.50 cm from the axis of rotation is to…
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Q: For an object undergoing a uniform circular motion with radius 6.55 mand period 1.53 sec, the linear…
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Q: An automobile with tires that have a radius of 0.260 m travels 64000 km before wearing them out.…
A: Given data : Radius of the tire (r) = 0.260 m Distance traveled…
Q: What is the rate of revolution [in revolutions per minute (or rpm)] of a centrifuge if a particle…
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Q: How many radians represent one and a half revolutions?
A: Given data: Angular displacement (θ) = 1.5 rev Required: Angular displacement in radians
Q: An airplane propeller is rotating at 1900 rpm 1rev/min2. (a)Computethe propeller’s angular velocity…
A: Given: An airplane propeller is rotating at 1900 rpm.a. As we know,1 rpm means revolution per minute…
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