Physics

posted by .

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) What is the speed of the ball?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  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 speed …
  2. physics

    A 0.50 kg ball that is tied to the end of a 1.4 m light cord is revolved in a horizontal plane with the cord making a 30° angle with the vertical. (b) If the ball is revolved so that its speed is 4.0 m/s, what angle does the cord …
  3. physics

    A 0.50 kg ball that is tied to the end of a 1.4 m light cord is revolved in a horizontal plane with the cord making a 30° angle with the vertical. (b) If the ball is revolved so that its speed is 4.0 m/s, what angle does the cord …
  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?
  5. Physics

    A pendulum consists of a sphere of mass 1.5 kg attached to a light cord of length 10.9 m as in the figure below. The sphere is released from rest when the cord makes a 58 degree angle with the vertical, and the pivot at P is …
  6. Physics

    An aerialist on a high platform holds onto a trapeze attached to a support by an 8.0-m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 41° with the vertical. He jumps, swings down, then back …
  7. physics

    A small sphere of mass m is connected to the end of a cord of length r and rotates in a vertical circle about a fixed point O. The tension force exerted by the cord on the sphere is denoted by T . What is the correct equation for the …
  8. physics

    A ball of mass 21.7 g is attached to a cord of length 0.61 m and rotates in a vertical circle. What is the minimum speed the ball must have at the top of the circle so the cord does not become slack?
  9. PHYSICS

    An aerialist on a high platform holds onto a trapeze attached to a support by an 7.9-m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 37° with the vertical. He jumps, swings down, then back …
  10. Physics

    An aerialist on a high platform holds onto a trapeze attached to a support by an 9.8-m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 37° with the vertical. He jumps, swings down, then back …

More Similar Questions