An object moves in a circle. If the mass is tripled, the speed halved and the radius unchanged then the magnitude of the centripetal force must be multiplied by a factor of A) 3/2 B) 3/4 C)9/4 D) 6 E)12

Q: There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a…

A: Radius (R) = 12 cm Angular velocity (ω) = 2.67 revs= 2.67×2π rads= 16.77 rads

Q: You swing a 2.2kg stone in a circle of radius 58 cm. At what speed should you swing it so its…

A:

Q: An air puck of mass 0.230 kg is tied to a string and allowed to revolve in a circle of radius 1.22 m…

A: Tension in the string is,

Q: There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a…

A: Given:Angular velocity of the cylinder = 1.36 rev per secondRadius of the cylinder, R = 11.4 cm =…

Q: A scientist claims that people who compete in the Olympic event of skeleton are insane. With their…

A: Speed of runner in Olympic : v = 75 mph = 753600 = 0.0208 m/s Radius of Olympic track: r = 50 m Mass…

Q: Calculate the tension in a horizontal string that whirls a 2-kg toy in a circle of radius 2.5 m when…

A:

Q: What is the centripetal force needed to keep a 3.73 kg mass moving in a circle of radius 0.80 m at a…

A: mass (m) = 3.73 kg radius (r) = 0.80 m speed (v) = 8.08 ms

Q: If the magnitude of the force is 18 N to cause a 1 kg object to move in a circle of radius 2 m. The…

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Q: Calculate the centripetal force (in Newton) on a 10 kg object moving in a horizontal circular path…

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Q: A small body of mass 0.2kg revolves uniformly in a circle on a horizontal frictionless surface…

A: 3. a. The velocity of the body is

Q: A 5 kg ball on a string rotates in a horizontal circle (radius=2.6 m) with a speed of 7 m/s. Find: ⦁…

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Q: 2. A yoyo with mass 0.001 kg mass is moving in a circle of radius 1meter at constant speed of 8'm/s.…

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Q: Questions 1-4: A 2-kg mass is moving in a circular path on the end of a 0.50-m string. The mass…

A: When a particle moves in a circle of radius r with a constant speed v, its acceleration is v2r…

Q: alculate the centripetal force exerted on a 5.27 x 103 kg car that negotiates a 58.4 m radius curve…

A:

Q: An athlete whirls a 7 kg hammer, that is tied to the end of a 1.3 m chain, in a horizontal circle.…

A: The angular velocity of an object is calculated by using the formula ω=2πnt , where n=6  is the…

Q: There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a…

A:

Q: An egg is placed in an open basket and is rotated safely in a vertical circular motion of radius 0.5…

A: Introduction: When particle move in circular motion, force acting on the particle is the centripetal…

Q: There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a…

A: Given The radius of the container is r = 11.2 cm = 11.2 x 10-2 m. The frequency of the rotating…

Q: An air puck of mass 0.270 kg is tied to a string and allowed to revolve in a circle of radius 1.29 m…

A:

Q: a 2.5 kg mass tied to a string is whirled around a horizontal circle of radius 1.7m .The tension in…

A: The centripetal force is given by  F = m v2r where, m is the mass, v is the velocity and r is the…

Q: QUESTION 24 An object moves around a circle. If the radius is doubled keeping the speed the same…

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

Q: What is the centripetal force needed to keep a 3.58 kg mass moving in a circle of radius 0.26 m at a…

A: The centripetal force is given by Fcentripetal=mv2r where m is the mass v is the speed  and r is the…

Q: A new planet is discovered whose mass is the same as that of the Earthalthough its radus is 1.5…

A: Given  Mass of planet M=mass of earth =Me Radius of planet r=1.5Re

Q: A body of mass 10kg is taken from the equator to a pole of Earth. Calculate the change in its weight…

A: Given data:Mass of the body, m = 10 kgRadius of the earth, R = 6.37 x 106 mTime period of earth’s…

Q: speed=1000 km/h centripetal at lowest does not exceed 5.0 g Part C Calculate the 73 kg pilot's…

A:

Q: There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a…

A: Radius of container (r) = 14.9 cm = 0.149 m Angular velocity (ω) = 1.28 revolutionssec = 1.28×2π…

Q: QUESTION 15 A stone of mass1kg is attached to a string and rotated in a horizontal circle of radius…

A: Mass of stone (m) = 1 kg Radius (r) = 36 cm = 0.36 m constant speed (v) = 0.7 ms

Q: You are speeding around a turn of radius 70.0 m at a constant speed of 18.0 m/s. Assuming your mass…

A: Radius r = 70.0 m Speed v = 18.0 m/s Mass m = 75.0 Kg

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Q: You swing a weight attached to a string in a vertical circle. At the top of the circle the string…

A: Applying Newton’s second law for a mass attached to a string in a vertical circle: N-Fg=maC…

Q: 7. A small body of mass 3 kg revolves uniformly in a circle on a horizontal frictionless surface…

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Q: The maximum speed with which a 945-kg car makes a 180-degree turn is 10.0 m/s. The radius of the…

A: Frictional force provides the necessary centripetal force

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A: Write a given values of this question. m=1,652kgv=6.8m/sr=90mg=9.8m/s2

Q: You are a passenger in a Jeep with doors that is traveling at a constant speed of 10.9m/s. The…

A: Required :  The horizontal force in newtons that makes you stay in your seat in the car so you don't…

Q: Humpback whales sometimes catch fishby swimming rapidly in a circle, blowing a curtain of bubbles…

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Q: Calculate the time required for the cart to make one complete revolution.

A: The time required to complete one revolution of the horizontal circle can be determined as, Here,…

Q: The athlete shown in the figure rotates a 1 kg disc along a path of radius 1.06 m. The maximum speed…

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Q: An automobile of mass 1500 kg, moving at a speed of 54 km.p.h. traverses a sag in the road. The sag…

A: At the lowest part of the slag, the forces acting on the automobile are as shown. Here, FN is the…

Q: 4- 30 Kg body moves in a circle of radius 20 m and can move 125.6 m after 10 sec. Find the central…

A: The formula for the central force is F=mv2R

Q: A certain string just breaks when it is under 25N of tension. A boy uses this string to whirl a 2kg…

A: Given data:  Tension force (T) = 25 N Mass (m) = 2 kg Radius (r) = 3 m  Required:  The maximum speed…

Q: 4. A75 kg person is riding in a Ferris wheel (which rotates vertically) that has a radius of 12.5…

A: The centripetal force is given by  F =mv2r The time period is given by  w =2πT where, w is the…

Q: A tetherball of mass 3 kg is suspended from a rope of length 5.0 m and travels a circle of radius…

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Q: 6. A small body of mass 3 kg revolves uniformly in a circle on a horizontal frictionless surface…

A: Given data The mass of the body is: m = 3 kg The radius of the circle is: r = 0.2 m The number of…

Q: Determine the centripetal force acting upon a 40-kg child who makes 10 revolutions around the…

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Q: 1. During the olympics an athlete doing a hammer throw with a metal ball with mass 10kg is moving…

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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.