An athlete whirls a 7.00 kg hammer tied to the end of a 1.3 meter chain in a horizontal circle. The hammer makes one revolution in 1.0 seconds, what is the centripetal acceleration of the hammer? What is the tension in the chain?

Q: Suppose a NASCAR race car rounds one end of the Martinsville Speedway. This end of the track is a…

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Q: An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. This moon…

A: this problem is solved by the concept of circular motion. when a body of mass m moves in a circular…

Q: A medical saw is rotating at a constant rate of 15 revolutions per second. If it has a radius of 12…

A: Given data:  Angular velocity (ω) = 15 rev/s Radius (r) = 12 cm = 0.12 m Required: Centripetal…

Q: A father fashions a swing for his children out of a long rope that he fastens to the limb of a tall…

A: The magnitude of the centripetal acceleration of the child at the bottom of the swing is given by,…

Q: A ferris wheel with a radius of 100.0 m. Each of the sixty gondolas on the wheel takes 2.00 minute…

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Q: A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal…

A: Given: Radius of circular path, r=1.33 m Centripetal acceleration, αcp=4.8 g m/s2 To find: Spinning…

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…

Q: a 2000 kg car rounds a flat curve of radius=60m at a velocity of 9m/s a. what centripetal force…

A: Mass of car = 2000 kg  Radius of curve = 60 m  Velocity = 9 m/s

Q: an object with a mass of 0.5 kg is doing uniforma cicular motion, the circle radius is 1.2 meters…

A: Calculate the angular velocity using the information 20 turns in 33 s. ω=20(2π)33ω=3.81 rad/s Now…

Q: A centripetal force of 36.1N is exerted in a 2.5kg sphere causing it to rotate uniformly on a…

A: The centripetal force on the sphere, F=36.1 N The mass of the sphere, m = 2.5 kg The radius of the…

Q: Find the centripetal acceleration of a person standing on the Earth equator. Consider the radius of…

A: The formula for the centripetal acceleration at the equator is given as: a = 4*π2*RT2 where,…

Q: A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal…

A: SOlution: given that ac = 1.6g=1.6x9.8=15.68 m/s2 r = 6.02 m

Q: Chris tied a 902g rock to a rope and swung it above his head, making 35 complete revolutions in 2…

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Q: You're designing a highway so that the maximum centripetal acceleration on a curve is no more than…

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

Q: time of 5 rotations (16.5 s) Time of 1 rotation (3.3 s) Distance from shoulder to elbow (20.32cm)…

A: Time of 5 rotations is T=16.5 s Time of 1 rotation is t=3.3 s Distance from shoulder to elbow is d…

Q: A toy electric train moving at constant speed on a circular track that has a radius of 1.0 meter…

A: Given Radius (r) = 1.0 meter Time (t)    = 10 seconds

Q: A car travels at a constant speed around a circular track whose radius is 2.53 km. The car goes once…

A: Radius of track (R)=2.53 km=2530 m Time period of car around the track (T)=365 s

Q: A wind turbine is rotating counterclockwise at 0.75 rev/.s and slows to a stop in 10 s. It's blades…

A: Initial angular speed = 0.75 rev/sec  = 0.75 * 2 * π rad /sec  = 4.71 rad/sec  final angular speed…

Q: A car is traveling at a speed of 88 km/hr on a circular racetrack of radius 670 m.  What is its…

A: Given :  Radius of the racetrack (r) = 670m Speed of the car (v) = 88 km/hr

Q: A student ties a washer to the end of a string and swings it in a circle over her head. The washer…

A: Given Data:The speed of the washer is v=2.4 m/s.The radius of the circular path is r=0.51 mTo…

Q: The blade of a modern wind turbine is usually around 55 m long (radius = 27.5 m). If the blade…

A: Given data as per question Radius of turbine =27.5 m calculations 11.29 revolution =1 minute=60 s1…

Q: A Ferris wheel with a 10-m radius makes six complete clockwise revolutions in five minutes about its…

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Q: An object moves in a circle at constant speed. Its tangential acceleration Group of answer choices…

A: When an object is moving in a circle with a constant speed, the tangential acceleration will be…

Q: A boy whirls a stone in a horizontal circle of radius 1.46 m and at height 2.29 mrabove level…

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Q: A fast-pitch softball pitcher with an arm 0.65m long executes a pitch in 0.5 seconds. At the instant…

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Q: ball travels around horizontal circle of a radius 1.5 m and make 3 revolutions every second. What is…

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Q: Zach drives his car around a circular section of a road having a radius of 50 meters at a constant…

A: Given, Radius = 50 m velocity of the car is 20 m/s We know the expression for centripetal…

Q: A ball is swung in a horizontal circle at a constant speed. Each circle takes 0.85 seconds to…

A: The expression to solve for the angular velocity of the ball is as follows: ω=2πTω=2π0.85 sω=7.39…

Q: In the Biblical tale of David and Goliath, the giant is slain when David hits him with a rock that…

A:

Q: acceleration

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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: The figure below shows a car traveling in a counterclockwise along a circular path.  If the radius…

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Q: A car travels at a constant speed around a circular track whose radius is 2.92 km. The car goes once…

A: Centripetal acceleration is given by, ac = v2/R where, v is the circular speed and R is radius of…

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

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

Q: A car with a mass of 1380 kg is moving around a curve with a radius of 21.0 m at a constant speed of…

A:

Q: The Earth spins at 460 meters per second at the equator. The radius of the Earth is 6.37 x 106 m. A…

A: Given, speed v =460 m/s and Radius of earth is 6.37×106m

Q: 19. An airplane is flying at a speed of 150 m/s on a horizontal circular path with a radius of 500…

A: v = 150 m/s  r = 500 m v'= 300 m/s r'= 1000 m

Q: A father fashions a swing for his children out of a long rope that he fastens to the limb of a tall…

A: The centripetal acceleration is given by ac=v2r

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.