A 40 kg child sits on the edge of a carnival ride at a radius of 4 m. The ride makes 3 revolutions in 6 s. question:  The speed of the child is most nearly a. 4 m/s b. 12 m/s c. 24 m/s d. 120 m/s e. 360 m/s

Q: Three children are riding on the edge of a merry-go-round that has a mass of 105 kg and a radius of…

A:

Q: The diameter of a cylinder that can rotate around its axis at a constant speed of 1300 rpm is 18 cm.…

A: Given that, Constant speed = 1300 rpm Diameter = 18 cm  Time = 3 s

Q: Angular velocity question: You are driving on the interstate and need to pass a large truck on a…

A: Given that from the tachometer, car is turning at 4500 RPM Angular speed = 4500 RPM = 4500 rev/min…

Q: You install new tires on your car that are rated to last for 55,000 miles. How many revolutions will…

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Q: An athlete swings a 5.50-kg ball horizontally on the end of a rope. The ball moves in a circle of…

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Q: 75. Il Figure P9.75 shows a 100 g puck revolving at 100 rpm on INT a 20-cm-radius circle on a…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Future space stations will create an arlificial gravity by rotating. Consider a cylindrical space…

A: Calculate the angular speed. Angular speedω=gRadius (R)                          =9.8 m/s2100 m…

Q: It has been suggested that rotating cylinders about 18.0 mi long and 4.18 mi in diameter be placed…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A 33 1/3 rpm record on a turntable uniformly reaches its operating speed in 2.45s once the record…

A: In this question we are given that a 33 1/3 rpm record on a turn table uniformly reaches its…

Q: You install new tires on your car that are rated to last for 55,000 miles. How many revolutions will…

A: Given data The distance traveled by the last tires is D = 55,000 miles. Let us consider the diameter…

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A:

Q: An astronaut is inside a centrifuge that has a radius of 10 m. The astronaut starts from rest and…

A: R = 10 mt = 10 sec ac = 10g  = 98 m/s2

Q: A roller coaster goes through a loop with radius 10 m (at the top). What speed is necessary for the…

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Q: Vinyl record albums are 11 3/4 inches in diameter and spin at a rate of 33 1/3 rpm. How fast (in…

A: Given :

Q: A baseball pitcher throws a baseball horizontally at a linear speed of 42.5 m/s. Before being…

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Q: A certain string just breaks when it is under 23 N of tension. A boy uses this string to rotate a…

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Q: question 16 please

A: Given:

Q: (III) A hammer thrower accelerates the hammer (mass =7.30 kg)from rest within four full turns…

A: Given: The mass of the hammer = 7.30 kg, it start from rest within four full turns (revolutions) and…

Q: Three children are riding on the edge of a merry-go-round that has a mass of 105 kg and a radius of…

A:

Q: A circular paddle wheel of radius 8 ft is lowered into a flowing river. The current causes the wheel…

A: The radius of circular paddle wheel is r=8 ft. The speed of rotation of wheel is N=14 rpm

Q: Three children are riding on the edge of a merry-go-round that has a mass of 105 kg and a radius of…

A:

Q: An object rotates a full circle of radius 2m in 5 sec. What is the tangential speed of the object.…

A: Given :- r=2m time taken in full rotation = 5 sec

Q: A 40 kg child sits on the edge of a carnival ride at a radius of 4 m. The ride makes 3 revolutions…

A:

Q: A flywheel of radius 14 inches is rotating at the rate of 1000 rpm. How fast does a point on the rim…

A: Given data, Radius (r)=14 inches Angular velocity (ω)=1000 rpm

Q: Three children are riding on the edge of a merry-go-round that has a mass of 105 kg and a radius of…

A:

Q: QUESTION 7 A 1,200-kg car, that is moving in a 40-m radius circle on level ground, has a tangential…

A: Given data: Mass of the car is, m= 1200 kg The radius of the circle is, r= 40 m Tangential velocity…

Q: A ferris wheel begins at rest. During the first part of the journey, the ferris wheel accelerates…

A: GivenInitial angular velcoity of the ferris wheel = 0Number of rotations for first part (n1 )…

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Q: ball is attached to a string and rotates in a circle. If it takes 1.00s to complete one revolution,…

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Q: The dung beetle is known as one of the strongest animalsfor its size, often forming balls of dung up…

A: (a) Write the expression for the angular speed

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Q: An astronaut is inside a centrifuge that has a radius of 10 m. The astronaut starts from rest and…

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Q: A motor is connected to a fan pulley by a belt. The motor has a radius of 0.05 m, and rotates at an…

A: Write a given values of this question. t=2secω=e2t Radius of motor. rm=0.05m Radius of the fan to…

Q: A car sits at rest at the starting line of a circular racetrack. It begins to accelerate at a…

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Q: An astronaut is inside a centrifuge that has a radius of 10 m. The astronaut starts from rest and…

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Q: A baseball pitcher throws a baseball horizontally at a linear speed of 52.2 m/s. Before being…

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Q: You want to ride a Ferris wheel with a 100-m height. Before buying a ticket, you challenge yourself…

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Q: 2. A small nail stuck in your car tire moves on a circular path with a radius of 35 cm. When the…

A: Given: The radius of the circular path is 35 cm. The linear displacement is 5.5 m.

Q: 40. A particle moving in a horizontal circle of radius 0.5m has a speed 12m/s. the angular speed of…

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Q: A solid sphere with a diameter of 0.140 m is released from rest it then rolls without slipping down…

A: Given: diameter = 0.140m; h = 0.610 m; d (horizontal distance) = ?

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.