A 148.67 g ball is twirled in a horizontal circle of radius 1.09 m. It completes on rotation is 1.75 second. What is the tension in the string attached to the ball?
A 148.67 g ball is twirled in a horizontal circle of radius 1.09 m. It completes...
A 10kg ball attached to a 2.0m string moves in a horizontal circle on a smooth table at uniform speed, making one revolution each 1/2 second. If the mass, radius, and time are all measured to 10% accuracy, find: a) The tension in the string. b) The maximum and the most probable values of the absolute uncertainty in the tension. c)The relative uncertainty in the tension using both the maximum and the most probable uncertainties.
7, A 25 g ball is attached to a 0.5 m long string and swung in a circle as shown below a. Calculate the tension in the string. (2 marks) b. Calculate the centripetal force. (1 mark) c. Calculate the speed of the ball. (3 marks) d. Calculate the period of the ball's rotation. (1 mark) e. If the ball was spun faster, what would happen to the radius of the ball's path? (1 mark)
A child swings a tennis ball attached to a 0.633-m string in a horizontal circle above his head at a rate of 4.50 rev/s. (a) What is the centripetal acceleration of the tennis ball? (b) The child now increases the length of the string to 1.00 m but has to decrease the rate of rotation to 3.50 rev/s. Is the speed of the ball greater now or when the string was shorter? (c) What is the centripetal acceleration of the...
A 0.55-kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.2 m on a frictionless horizontal surface. 1.)If the cord will break when the tension in it exceeds 95 N , what is the maximum speed the ball can have?
A 0.25 kg ball is attached to a string. The ball goes around in a circle that is horizontal (parallel) to the ground. The circular path has a radius of 1.5 m. The rotation is at a constant rate of 50 rpm. a) list the given b) what is the tangential velocity of the ball? c) what is the centripetal acceleration (magnitude and direction)? d) what is the magnitude of the tangential acceleration? e) what is the soure of the...
a 150 gram ball at the end of a string is swinging in a horizontal circle of radius 1.15. the ball takes 5 seconds to complete 20 revolutions. a. what is the time for 1 revolution of ball? b. what is the tangential speed of the ball? c. what is the tension in the string?
A confused flying bird rounds a horizontal circular path. In 24s it completes 3 turns. The radius of the path is observed to be r = 12m. a) Find the bird's speed. b) Find the magnitude of the centripetal acceleration How large must the coefficient of static friction be between the tires and road, if a car rounds a level curve of radius 85 m at a speed of 23.5 m/s? A ball at the end of a string is...
A physics instructor whirls a tennis ball of mass m attached to a string in a circular path of radius R in horizontal plane over his head. When the ball has a speed s the tension in the string is 10 N. B.) In what direction does the Tension point? Explain. a. tangential to the circular path b. from the center of the circle toward the ball c. from the ball toward the center of the circle
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Date . A 200 g ball at the end of a 1.25 m string is twirled in a horizontal circle at constant speed. The ball makes a complete revolution every 0.600 s. (a) Ans: (b) What is the acceleration of the ball? Ans: (c) what is the tension in the string? Ans: What is the speed of the ball? A force of (5.0N, tx) acts on a 6.00 kg object moving along a horizontal...
A physics instructor whirls a tennis ball of mass m attached to a string in a circular path of radius R in horizontal plane over his head. When the ball has a speed s the tension in the string is 10 N. A.) If the ball speed is increased by a factor of 2 and the radius of the circle is kept the same, what is the tension in the string? Explain. a. 10 N b. 20 N c. 30...