ah415861 ah415861

09-11-2022
Physics

Answered

An athlete swings a 7.9 kg ball horizontally on the end of a rope. The ball moves in a circle of radius 0.9 m at an angular speed of 0.27 rev/s.
What is the tangential speed of the ball? Answer in units of m/s.

second part

What is its centripetal acceleration? Answer in units of m/s2.

third part

If the maximum tension the rope can with- stand before breaking is 132.3 N, what is the maximum tangential speed the ball can have?
Answer in units of m/s.

Answer :

Other Questions

A ball at the end of a string of length 2m rotates at a constant speed in a horizontal circle. It makes 7 rev/s. What is the period of the ball’s motion? Answer

A dog sits 2.2 m from the center of a merry- go-round. a) If the dog undergoes a 1.6 m/s2 cen- tripetal acceleration, what is the dog’s linear speed? Answer in

Using the sling length 0.87 m, what is the centripetal acceleration at 7.7 rev/s? Answer in units of m/s2.

Calculate the speed at the edge of a disc of radius 8.5 cm that rotates at the rate of 2.5 rev/s. Answer in units of m/s.

A piece of clay sits 0.22 m from the center of a potter’s wheel. If the potter spins the wheel at an angular speed of 20.5 rad/s, what is the magnitude of the c

9. Approximately how much kinetic energy does an object have from its motion if its mass is 150-kg and it is moving at a speed of 5.0 meters per second? A. O 40

(please help answer with solution 50 points) A golfer can hit a golf ball a horizontal distance of over 300 m on a good drive What maximum height will a 301.5 m

A golfer can hit a golf ball a horizontal distance of over 300 m on a good drive What maximum height will a 301.5 m drive each if it is launched at an angle of

An athlete at the gym holds a 4. 0 kg steel ball in his hand. His arm is 70 cm long and has a mass of 4. 0 kg.

Two balls a and b, having different but unknown masses, collide. A is initially at rest when b has a speed v. After collision, b has a speed of v/2 and moves at