An object follows a uniform circular motion. Which of the following is TRUE? Select one: a. The centripetal acceleration is tangent to the circle. b. The centripetal acceleration is directed towards the center of the circle. c. all choices d. The angular velocity is tangent to the circle.

Q: 21. Which term refers to the center-seeking acceleration? Select one: a. Centripetal b.…

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Q: The earth rotates every 24 hours. It has an average radius of 6371 km. Find the tangential velocity…

A: The tangential velocity of an object in circular motion is given by v=RωR=radiusω=angular velocity…

Q: Assume Bob is living on a city of latitude of 58°. Use radius of Earth = 6400 km a) Determine the…

A: Given: The city is at the latitude θ = 580 The radius of the earth is R = 6400 km The time period of…

Q: A centrifuge in a biochemistry laboratory rotates at an angular speed of 3,550 rev/min, clockwise…

A: Solution: as given that angular speed of 3,550 rev/min, clockwise  it rotates through 54.0…

Q: 4. A 22.0 kg child is riding a playground merry-go-round that is rotating at 40.0 rev/min. What…

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Q: a string moves uniformly in a horizontal circle with a radius of 1.25 meters at a height of 6 meters…

A: We know that the second  equation of motion is given as  h = ut +12gt2 where h is the height and t…

Q: 18. The Earth revolves on its axis once every 24 hours. Assuming that the Earth's radius is 6400 km,…

A: (a) angular velocity of Earth in radians per day and radians per hour.    (b) linear velocity at the…

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: 3. A 65.00 kg passenger is riding on a swing ride. The chair moves in a horizontal circle with a…

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Q: 3. A 0.35 kg ball is spinning in a uniform horizontal circle on the end of a 0.52 m string with a…

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Q: a child turns a rope in such a way that it forms a circumference of 0.75cm radius, taking into…

A: Given Dataradius=0.75 cm=0.0075 mv=9.42 m/sNowcentripetal acceleration=ac=v2rac=v2r…

Q: A toy plane is connected to a string. You hold the free end of the string and whirl the plane…

A: A toy plane is whirled in a horizontal circle such that it performs uniform circular motion. To find…

Q: The blade of a windshield wiper moves through an angle of 90.0° in 0.414 s. The tip of the blade…

A: Given data:  Angular displacement (θ) = 90° Time (t) = 0.414 s Radius (r) = 0.363 s Required: The…

Q: An object of mass 2.0 kg revolves at 60.0 rpm in a horizontal circle of radius 0.10 m. Determine the…

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Q: 2. Nicole is swinging his favorite yo-yo in circles on a two meter long cord. Her classmate,…

A: Given, Lengtof cord=2 m Instaneous speed=0.036 km/s As we know that centripetal acceleration is…

Q: A car moving at a speed of 12.0 m/s encounters a bump in the road that has a circular cross-section…

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Q: 18. A 90 kg student went to the Houston Livestock Show and Rodeo just so he could ride the…

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Q: The radius of the earth's very nearly circular orbit around the sun is 1.5×1011m. Find the magnitude…

A: Given information: The radius of the earth's circular orbit, r=1.5×1011 m The time period of the…

Q: 5. A runner joining a 500-m fun run must run around the end of a track that has a circular arc with…

A: Given that A runner joining a fun run around the end of track (d) =500m Track that has a circular…

Q: Explain the purpose of the radial/centripetal acceleration of a rotating object.

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Q: 2. An object is in motion along a circular path with radius equal to 1.5 meters and the angular…

A: magnitude of velocity v=ωR normal acceleration a=v2R=ω2R2R=ω2R

Q: A circular space station has a diameter of 386 m.  Determine the frequency (per minute) with which…

A: The diameter of the space station is, D=386 m. The Earth's gravitational field is, g=10 N/kg = 10…

Q: A car moving at a speed of 8.0 m/s encounters a bump that has a circular cross-section with a radius…

A: Centripetal acceleration of an object is given by,ar=v2r......(1)where, ar is centriptetal…

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: In a medical lab, you put blood in tubes in a centrifuge to separate the plasma from the formed…

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Q: . A ball of mass 0.12 kg attached to a rope of length 2.0 m is whirled in a vertical circle at a…

A: Centripetal force can be the balancing force that will keep a body in a circular motion. It will be…

Q: A vegetarian dinner is warming up on the rotating turntable of a microwave oven. A samosa located…

A: r= 16cm = 0.16m  Centripetal acceleration (a) = 0.22 m/s2

Q: 1. A ball is hanging on the end of a 0.36 m long string which is being swung such that the ball…

A: Length of the string is L = 0.36 m  Centripetal acceleration is a = 55.8 m/s2

Q: What centripetal acceleration do we undergo at the equator with respect to earth's center on account…

A: We know that centripetal acceleration is, ac = w2R where, w = angular speed and R = radius

Q: In uniform circular motion, which of the following are constant: Check all that apply. speed…

A: We need to discuss about uniform circular motion.

Q: QUESTION 5 A windmill-style softball pitcher executes a pitch in 0.5s. If her pitching arm is 1m…

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Q: A motorbike moving at a constant speed of 20.0 m s' in a circular track of diameter 50.0 m.…

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Q: A car is moving with speed 15 km/hr on a circular path of radius 530 m. Its speed is increasing at…

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Q: 8. Callum is playing tetherball. The tetherball has a mass of 0.4 kg and has a tangential velocity…

A: Solution: given that m =0.4 kg v = 2.4 m/s r = 1.5 m

Q: An object is moving in a perfect circle at a constant rate so that it sweeps out 90⁰ in 0.3 seconds.…

A: Given:- An object moves in a perfect circle at a constant rate so that it sweeps out 90° in 0.3…

Q: 1) Computer-controlled display screens provide drivers in the Indianapolis 500 with a variety of…

A: 1) v= 98.8 m/s , ac= 3(g)= 3(9.8)= 29.4 m/s2  2) a= 6.25×103(g) = 6.25 × 103×9.8 m/s2  r= 5cm

Q: A ball attached to an end of a 60-cm long string is revolving uniformly in a circle. How will the…

A: Centripetal acceleration: The acceleration of a body traversing a circular path is known as…

Q: 23. An object is moving along a circular path of radius 3ft and has an angular velocity of 6 rad/s.…

A: Given data:  Radius (r) = 3 ft Angular velocity (ω) = 6 rad/s Required: The centripetal acceleration…

Q: An early major objection to the idea that the Earth is spinning on its axis was that Earth would…

A: linear velocity of earth can be calculated by 2πRv=Tv=2πRT=2π×6378×10324×60×60=463.821 m/s

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.