A toy car moves around a circular track at constant speed. It suddenly doubles its speed. As a result, the centripetal acceleration changes by a factor of A. 4 B. 2 C. 1/2 D. No change since the radius doesnt change

Q: A car is going along a circular road at a constant speed. The radius of the curve is 270 m, and the…

A: Given data: The radius of the curve (r) = 270 m Time required to complete one round (t) = 1.4 min…

Q: An object is moving in uniform circular motion. If the radius of its path is 6.90 mm and its…

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Q: The length of a blade of a helicopter is 5_m, and the blade spins at 350_rev/min. Find the…

A: Centripetal accelerationac=ω2r=350 revmin25 m=350 revmin×2π radrev×min60 s25 m=6717 ms2

Q: 3. A child swings a tennis ball attached to a 2.0-m string in a horizontal circle above his head at…

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Q: A cat rides a merry-go-round turning with uniform circular motion. At time 3.5s, the cat's velocity…

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Q: A child sitting 1.20 m from the centre of a merry-go-round. He moves with 1.70 m/s Calculate the…

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Q: A car drives around a curve with radius 150 m at a speed of 30 m/s. What is its average acceleration…

A: a) 180degree or 3.14radian the expression to determine the distance,

Q: An astronaut is rotated in a horizontal centrifuge at a radius of 7.0 m. (a) What is the astronaut's…

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Q: An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is…

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Q: What is the centripetal acceleration upon an unidentified material that moves with a tangential…

A: Given, an unidentified material moves upon a circle having,the tangential velocity v =2.0 ms and the…

Q: A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 95…

A: We need to calculate the centripetal acceleration of the car.

Q: A boy is flying a drone in a circular path at 35 miles per hour. If the drone is experiencing a…

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Q: A peregrine falcon in a tight, circular turn can attain a centripetal acceleration 1.5 times the…

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Q: Calculate the centripetal acceleration of an object moving in a circle of constant radius 1.1m with…

A: Given is that : Radius ( r ) = 1.1 m Velocity ( v ) = 6.7 m/s By the formula of Centripetal…

Q: A cat rides a merry-go-round turning with uniform circular motion. At time 1.4s, the cat: velocity…

A: A cat rides a merry-go-round turning with uniform circular motion. At time t1 = 1.4 s. the ca's…

Q: An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is…

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Q: A go-kart completes a full-lap around a circular racetrack in 3.0 seconds. The racetrack has a…

A: Given data:  Time period (T) = 3.0 s Radius (r) = 10.0 m Required: Centripetal acceleration (ac)

Q: .5ks Froblem 3: A 50 gram ball tied to a 2 meter string is being swung in a circle. It takes 0.5…

A: Given: Mass of ball, m=0.50 kg Radius of circle= length of string, R=2 m Time taken to complete one…

Q: "In the circular motion, always the centripetal acceleration is perpendicular to the velocity" O…

A: We need to state whether the given statement is True or False.

Q: A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 86…

A: Given that, The diameter of a circular track, d = 1 km Radius, r = 0.5 km The speed of the car, v =…

Q: A racecar turns around a circular track, moving in uniform circular motion with a centripetal…

A: Centripetal acceleration (a) = 13 ms2Time taken to complete one lap (T) = 20 seconds Therefore,…

Q: A car travels counterclockwise around a flat circle of radius 0.25 km at a constant speed of 60 m/s.…

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Q: A 4.0-kilogram object follows a horizontal circular path with a radius of 0.5 meters and maintains a…

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Q: A race car goes around the level circular track with the diameter of 1.00 km at a constant speed of…

A: Write the given values with suitable variables. r=1 km2=0.5 km×1000 m1 km=500 mv=88 km/h=88…

Q: A 1.0-kilogram stone, attached to the end of a 0.50-meter string, is traveling in a circular path at…

A: Given, length of the string, L = 0.50 m mass of the rock, m = 1.0 kg speed of the stone in the…

Q: If he completes the 200 m dash in 23.8 s and runs at constant speed throughout the race, what is his…

A: The given data:   The distance d = 200 m Time is taken t = 23.8 sec         and The radius of…

Q: A motorcycle, starting from rest, accelerates at 2.87 m/s2 on a circular track with a 205 m…

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Q: Q3) A jet plane is maneuvering in a circular path of a radius of (5.5 km) at a constant speed of…

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Q: A runner taking part in the 200 m dash must run around the end of a track that has a circular arc…

A: The magnitude of the centripetal acceleration of the runner is given by ac=v2r=d/t2r=200 m/22.2 s240…

Q: 10. A car goes around a curve of radius Rat a speed V. It experiences a centripetal acceleration A.…

A: The centripetal acceleration of a car moving around a curve of radius R at a speed V is given by…

Q: A child sitting 1.10 m from the centre of a merry-go-round. He moves with 1.60 m/s Calculate the…

A: We have to calculate the centripetal acceleration of the child.

Q: a planet has a moon which is 2.5x10^9 m  away from the planet, the moon makes a circular orbit…

A: Given Data: The distance between the moon and the planet is, r=2.5×109 m The time period of…

Q: What is the unit for centripetal acceleration? a. m/s^2 b. rad/s^2 c. m/s d. cm/s^2

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Q: Cam Newton of the Carolina Panthers throws a perfect football spiral at 7.9 rev/s. The radius of a…

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Q: A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 100…

A: diameter of circular track (d) = 1 km Radius of circular track (r) = 0.5 km = 500 m Constant speed…

Q: What is the centripetal acceleration of the second hand tip of a clock if it measures 1.2 cm?(r=1.2…

A: Given,  The length of second hand tip of a clock =1.2 cm. We have to find the centripetal…

Q: If an airplane is flying at 140 miles per hour east and turns in a smooth curve with a diameter of 3…

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Q: In a roundabout (or traffic circle), cars go around a 25-m-diameter circle. If a car’s tires will…

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Q: A runner runs around a circular track. He completes one lap at a time if t=497s at a constant speed…

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Q: An aston martin v8 vantage sports car has a "lateral acceleration" of 7 m/s^2. this is the maximum…

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Q: In a roundabout (or traffic circle), cars go around a 25-m-diameter circle. If a car’s tires will…

A: Assume that the traffic circle is unbanked. The force of friction must be at least equal to the…

Q: A child swings a tennis ball attached to a 0.590-m string in a horizontal circle above his head at a…

A: Given values -  First we will convert rev/s to rad/s Expression for centripetal acceleration-…

Q: A car has an acceleration of 2 m/s/s as it moves in a circle. What is its velocity if the circle has…

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Q: An object moving at 34 m/s makes a circle with 1.3m radius? What is the object's acceleration? Round…

A: Given v=34 m/s R=1.3 m As  a=v2R

Q: circular

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Q: A race car goes around a level, circular track with a radius of 22 meters at a constant speed of…

A: Radius of the circular track,

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.