A bowling ball sits on the smooth floor of a subway car moving at constant velocity. If the car now has a horizontal acceleration a, what is the acceleration of the ball? Assume that the ball rolls without slipping.

Q: An object is swung in a horizontal circle. If it starts at position zero (0 rad), has an…

A: Angular acceleration = a = 2.5 rad/s² Time = t = 0.75 s Initial angular velocity = w = 0 Let @…

Q: You want to centrifuge at 2660 g and the centrifuge has a radius of rotation of 9.5 cm. What RPM…

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Q: a ladybug is placed on a rotating turntable. she travels in a circle and is 10 m from the axis of…

A: Given: The speed of the object is 20 m/s. The distance of the object from the center is 10 m.

Q: Starting from a standstill, a windmill-style softball pitcher executed a pitch in 0.6 s. If her…

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Q: A circular disk of radius 2.0 m rotates, starting from rest, with a constant angular acceleration of…

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Q: A spinning solid disk, rotating with angular velocity w, is put down on a level surface. It slides…

A: Solution: We know that, the moment of inertia of solid disk is given as:I =12mr2where, m is mass and…

Q: A small coin is placed on a flat, horizontal turntable . The turntable rotates at a constant rate of…

A: According bartleby guidelines only three sub parts can be answered.  Given data-

Q: A light, rigid rod is 75.5 cm long. Its top end is pivoted on a frictionless horizontal axle. The…

A: Given, Length of rigid rod=75.5 cm Let speed at the lowest point is Ui m/s

Q: A coin is placed on a platform that makes 3 turns in 3.14s. Since money can stand 5cm away from the…

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Q: disk of radius 4.00 m spins with an angular speed of 90.0 degrees/second. What is the speed of the…

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Q: An object is flying around the circle on a rope of radius 4 meters, and its speed is 2 meters per…

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Q: rock on the end of a 75cm long string spins in a horizontal circle. If the string makes an angle of…

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Q: An engine flywheel initially rotates counterclockwise at 5.93 rotations/s. Then, during 21.3 s, its…

A: formula:

Q: To start a lawn mower, you must pull on a rope wound around the perimeter of a flywheel. After you…

A: The object's angular velocity can be said to be the change in the object's angular displacement…

Q: ev/min. Assume that this rate is constant, and determine the speed v and magnitude a of the…

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Q: A 148 g ball is released from rest H = 1.51 m above the bottom track. It rolls down a straight 45°…

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Q: body is being spun by a piece of string in a horizontal circle of radius 2.50 m on a flat,…

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Q: A massless string is wrapped around a cylinder of mass 0.400 kg and radius 0.100 m. The string is…

A: The expression for the tension by using torque equation,

Q: Consider an annular disk rolling down an inclined plane. The annular disk has mass 164 [g], inner…

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Q: A ball, hung on a 1.5 m long string, is pushed so that it starts to circle in a horizontal plane.…

A: length of string=1.5 m angle with half vertical axis=30 degree

Q: A tennis ball, starting from rest, rolls down the hill in the figure. At the end of the hill the…

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Q: A long string is wrapped around a 6.3-cm-diameter cylinder, initially at rest, that is free to…

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Q: A hockey puck with mass 230 g is attached to a rope of length 49.0 cm and swung in a horizontal…

A: Given information:Mass of the hockey puck (m) = 230 g = 0.23 kgThe length of the rope (r) = 49 cm =…

Q: Consider a point on a bicycle wheel as the wheel turns about a fixed axis, neither speeding up nor…

A: Given that a point on a bicycle wheel as the wheel turns about a fixed axis, neither speeding up nor…

Q: Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a…

A: a) The centripetal acceleration is,

Q: A disk of radius 2.25 m rotates about its axis. Points on the rim of the disk undergo tangential…

A: Given that, The radius of disk, r = 2.25 m The tangential acceleration of the rim of the disk,…

Q: A car of mass m is turning a circular curve with speed V. The slope of the bend is Ɵ and the…

A: The centripetal force (FC) required for the car of mass m to take a turn of radius r with velocity v…

Q: A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a…

A: Number of revolution n= 1200Radius of blad r=0.10 mTime t= 1minute =60 Seconds

Q: An engine flywheel initially rotates counterclockwise at 6.83 rotations/s. Then, during 25.1 s, its…

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Q: You have your bicycle upside down while you adjust the chain. The chain is wound around the rear…

A: .r =4cm R = 11 Ɵ = Vot + αt2/2 Vo = 0 .t = 1s Ɵ = 2(2∏) = 12.56 12.56 = 1/2α(1)2  α = 25.12 now, αR…

Q: Write the acceleration in terms of its tangential and normal components.

A: The expression for acceleration in terms of curvature and speed,

Q: A flywheel is rotating at an angular velocity of 100 rad/s. A brake is applied to the flywheel and…

A: Given Data The initial angular velocity of flywheel is:ωo=100 rad/s The angular velocitry after…

Q: The propeller of a 90-horsepower outboard motor at full throttle rotates at exactly 4300 revolutions…

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Q: In the figure below, a solid ball rolls smoothly from rest (starting at height H = 8.3 m) until it…

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Q: An automobile with 0.300 m radius tires travels 70,000 km before wearing them out. How many…

A: Given that - Part(A)- radius of the tyres Distance covered by the tyres To Find - We have to…

Q: Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a…

A:

Q: You are at a playground with a merry-go-round, which is initially sitting still.  You push on it,…

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