physics

a ball of weight 200 grams,is tied to the end of a cord and whirled in a horizontal circle of radius 0.6 m.if the ball makes five complete revolutions in 2 seconds,what will be the linear speed of the ball?

  1. 👍 0
  2. 👎 0
  3. 👁 511
  1. speed=distance/time= 5*2PI*radiius/timetotal

    1. 👍 0
    2. 👎 0
    👨‍🏫
    bobpursley
  2. 4.42m\s

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    A 0.55- ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.5 on a frictionless horizontal surface.If the cord will break when the tension in it exceeds 95 , what is the maximum speed the ball can

  2. Physics

    A 1.0-kg ball on the end of a string is whirled at a constant speed of 2.0 m/s in a horizontal circle of radius 1.5 m. What is the work done by the centripetal force during one revolution? I did: F=m(v^2)/r F=1(2^2)/1.5=2.7 J The

  3. Physics

    The hammer throw is a track-and-field event in which a 7.30-kg ball (the hammer) is whirled around in a circle several times and released. It then moves upward on the familiar curved path of projectile motion and eventually

  4. physics

    A 0.40kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 2.1m on a frictionless horizontal surface.If the cord will break when the tension in it exceeds 80N , what is the maximum speed the ball can

  1. physics

    a .45kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.3m on a frictionless horizontal surface. if the cord will break when the tension in it exceeds 75 N, what is the maximum speed the ball can

  2. physics

    1.)The apparent weight of a passenger in an elevator is greater than his true weight? Why is that? 2.) The radius of larger circle is twice that of a small circle. Two identical stones are attached to cords that are being whirled

  3. PHYS

    A bungee jumper (m = 61.00 kg) tied to a 45.00 m cord, leaps off a 75.00 m tall bridge. He falls to 5.00 m above the water before the bungee cord pulls him back up. What is the magnitude of the impulse exerted on the bungee jumper

  4. Physics

    A tether ball of mass 0.25 kg is attached to a vertical pole by a cord 1.4 m long. Assume the cord attaches to the center of the ball. The cord makes an angle of 20° with the vertical. (a) What is the tension in the cord? (b)

  1. physics

    A 0.50 kg ball that is tied to the end of a 1.1 m light cord is revolved in a horizontal plane with the cord making a 30° angle, with the vertical (a) Determine the ball's speed. (b) If, instead, the ball is revolved so that its

  2. Physics

    A ball is tied to the end of a cable of negligible mass. The ball is spun in a circle with a radius 2.00 m making 0.700 revolutions per second. What is the centripetal acceleration of the ball?

  3. Physics - HELP

    A 0.40 kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.5 m on a frictionless horizontal surface. The cord will break when the tension in it exceeds 61 N. What is the maximum speed the ball can

  4. Physics

    A daredevil plans to bungee jump from a balloon 64.0 m above a carnival midway. He will use a uniform elastic cord, tied to a harness around his body, to stop his fall at a point 10.0 m above the ground. Model his body as a

You can view more similar questions or ask a new question.