A turntable of radius 60 cm undergoes constant acceleration from rest to 3.0 rev/s in 2.5 seconds. (a) Through what angle does the turntable rotate between t = 0 and t = 1.8 s? b) For a dust particle sitting on the edge of the turntable, what is its centripetal acceleration at t = 2.0 s?

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Q: A CD rotates at 5600 revolutions per min. The disk has a radius of 15 cm. What is the centripetal…

A: ω=5600 rpm×2π rad1 rev×1 min60 s=586.43 rad/s

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A: Answer  The Reynolds number is the most common dimensionless parameter in fluid mechanics it is…

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A: The equation for centripetal acceleration is, ac=rω2 the angular velocity is, ω=31…

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Q: A new car is tested on a 280-m-diameter track. If the car speeds up at a steady 1.5 m/s^2 , how…

A: The solution is given below

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A: Given Centirpeta acceleration (ac)= 20.0 g = 20.0  x 9.81 = 196.2 m/s2 Radius (r) = 9.5 m

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Q: A turntable of radius 60 cm undergoes constant acceleration from rest to 3.0 rev/s in 2.5 seconds.…

A:

Q: A typical running track is an oval with 74-m-diameter half circles at each end. A runner going once…

A: diameter of each half circle (d) = 74 m total path length of track (D) = 400 m time taken to go once…

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Q: An Olympic speed skater increases her velocity from Vi =6.54 m/s to Vf=9.19 m/s over a period of 5.2…

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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

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A: The centripetal acceleration is a given by                                          a=ω2r…

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A: Centripetal acceleration of an object is given by,ar=v2r......(1)where, ar is centriptetal…

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A: Convert the maximum speed from km/h to m/s.

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A: Part B Centripetal acceleration will be given as follows: ac=ω2r Here, ω=8.54 rev/s=8.54×2π rad/s…

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A: GivenAcceleration a = 1.1 m/s2Velocity v = 100 km/h

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A: The torque due to the frictional force is τ=r×f  =rμN…

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Q: Modern roller coasters have vertical loops like the one shown. The radius of curvature is smaller at…

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Q: A circular disk of radius 0.200 m rotates at a constant angular speed of 1.50 rev/s. What is the…

A: Given data: Radius (r) = 0.200 m Angular speed = 1.50 rev/s = 1.50 x 2π rad/s

Q: The period of a stone swung in a horizontal circle on a 2.50-m radius is 1.20 s. (a) What is its…

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Q: How fast (in rpm) must a centrifuge rotate if a particle

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Q: An athlete swings a 6.30-kg ball horizontally on the end of a rope. The ball moves in a circle of…

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.