8. A discus thrower turns with angular acceleration a=50rad/s, moving the discuss in a circle of radius 0.8m. Find the centripetal acceleration of the discuss.

Q: A CD rotates at 5600 revolutions per min. The disk has a radius of 15 cm. What is the centripetal…

A: ω=5600 rpm×2π rad1 rev×1 min60 s=586.43 rad/s

Q: er turns with angular acceleration a=50rad/s, moving the discuss in a circle of radius 0.8m.Find the…

A: Given values:- Angular acceleration,(αa)=50 rad/sec=50 m/sec----(1) Radius of circle,(r)=0.8 m…

Q: A 2kg ball rolls around the edge of a circle with a radius of 0.5m. If it is rolling at a speed of…

A: Mass of the ball is M = 2 kg  Radius of the circle is R = 0.5 m  Speed of the ball is V = 8 m/s

Q: A wheel 25cm in radius turning at 120 rpm increases its speed to 660 rpm in 9s. Find tangential…

A: Given: Radius = 25 cm= 0.25m Initial angular velocity: Final angular velocity: Angular…

Q: The moon revolves about the Earth, making a complete revolution in 27.3 days. Assume that the orbit…

A: It is given that, r=23800 miles =3.83×108 mt=27.3 days=2.36×106 sec

Q: Circular Motion with acceleration, Find velocity when the particle reaches 53° if the angular…

A: For a body in a circular motion, it has constant speed and hence constant angular velocity.  The…

Q: A cyclist moving at a speed of 20.0 m/s rounds a bend with a radius of 30.0 m. The centripetal…

A: speed is 20.0 m/s radius is 30.0 m centripetal acceleration of the cyclist ?

Q: Cam Newton of the Carolina Panthers throws a perfect football spiral at 8.0 rev/s. The radius of a…

A:

Q: A jet fighter flying at 300 m/s (just below the speed of sound) makes a turn of radius 2.20 km. What…

A: Given data *The speed of the jet fighter is v = 300 m/s *The given radius is r = 2.20 km = 2.20 ×…

Q: In a test of "g"-suit, a volunteer is rotated in a horizontal circle of radius 6.3 m. What is the…

A:

Q: A flywheel has a radius of 16.0 cm. What is the speed of a point on the edge of the flywheel, in…

A: Given Data:The radius of the flywheel is Centripetal acceleration is Centripetal acceleration is…

Q: A point on the rim of a rotating flywheel changes its speed from 1.5 m/sec. to 9.0 m/sec. while it…

A: Given,initial speed u=1.5 m/sfinal speed v=9 m/ss=60mradius r=1m

Q: A student runs around a circle omce in 4 minutes. Her angular velocity is

A:

Q: For a centrifuge rotating at 5.91e+3 rpm (rpm = revolutions per minute) with a radius of 1.27 cm,…

A:

Q: A 150g ball at the end of a string is revolving uniformly in a horizontal circle of radius 0.600m.…

A:

Q: Imagine you are on an amusement park and on a train ride. At some point the train ride follows a…

A: The expression for the centripetal acceleration is

Q: A pilot performing a horizontal turnwill lose consciousness if she experiences a centripetal…

A:

Q: dog sits 1.5m from the center of a merry-go-round. The merry-go-round is set in motion, d the dog's…

A:

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

A:

Q: A particle revolves in a circular path or radius 0.5 m at the rate of 720 r.p.m. calculate its…

A: Given Data :                 Radius r=0.5 m,Frequency n=72 r.p.m.=72060=12 Hz To find : Linear…

Q: What is the ratio L1/L2 of the lengths of the sidse of the rectangle when n=3.95

A: Centripetal accelaration=radius×(angular speed)2 Given ,…

Q: How fast (in rpm) must a centrifuge rotate if a particle 8.50 cm from the axis of rotation is to…

A: Given:Radius of rotation, r = 8.5 cm = 0.085mAcceleration, a = 120000g m/s2

Q: Check Your Understanding A flywheel has a radius of 20.0 cm What is the speed of a point on the edge…

A: We have to find the speed of a point on the edge of a flywheel We have given data, Radius r=20 cm…

Q: What is the magnitude of the centripetal acceleration of a car following a curve of radius 460 m at…

A: Given: The radius of curve is r=460 m. The speed of car is v=25.0 m/s. The formula to calculate…

Q: A 70g person on a merry go round is spinning with speed 5m/s. If they experience a centripetal force…

A: Given :  Centripetal Force = 583 N Speed v = 5 m/s Mass of person = 70 kg   Centripetal force is…

Q: an object orbits in circular motin 26.39 times in 6.03 seconds. what is the frequecy of this motion?

A: Write an expression for frequency

Q: A motorcycle is traveling in the circle with a radius of 40 m it is accelerating at 10 m/s^2. What…

A: Given: radius of circle r = 40 m acceleration of motorcycle a = 10 m/s^2

Q: An object with mass 125 g is in a circular motion. If the mangitude of the centripetal force is 18N…

A: When the object is undergoing the circular motion, it is experiencing a centripetal force(force…

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.