A baseball of mass m = 0.56 kg is spun vertically on a massless string of length L = 0.68 m. The string can only support a tension of Tmax = 10.3 N before it will break. a.) What is the maximum possible speed of the ball at the top of the loop, in meters per second? b.) What is the maximum possible speed of the ball at the bottom of the loop, in meters per second

A puck of mass m=0.095 kg is moving in a circle on a horizontal frictionless surface. It is held in its path by a massless string of length L=0.63 m. The puck makes one revolution every t=0.65 s. 1. What is the magnitude of the tension in the string, in newtons, while the puck revolves?  2. The string breaks suddenly. How fast, in meters per second, does the puck move away?

A child ties a 0.3 kg stone to one end of a string. Holding the other end, the child whirls the stone in a vertical circle of radius 0.9 m. a. At the top of the circle, the speed of the stone is 8 m/s. What is the tension in the string? Draw the free body diagram. b. At the bottom of the circle, the speed of the stone is 9 m/s. What is the tension in the string? Draw the free body diagram. c. The string can withstand a maximum tension of 40 N before it breaks. The child whirls the stone faster and faster. At what point on the circle does the string break? Show this point on a circle, then draw the trajectory of the stone after breaking. Make sure you clearly show the direction of the stone immediately after the string breaks. d. What is the speed of the stone as the string breaks?

Mr. B does a demonstration with a bucket of water tied to a 1.4-meter long string. The bucket and water have a mass of 2.0 kg. Mr.B spins the bucket in a vertical circle such that it has a speed of 4.1 m/s at the top of the loop and 6.8 m/s at the bottom of the loop. What is the net force at the top of the loop?

Problem 2: On the International Space Station an object with mass m = 410 g is attached to a massless string of length L = 0.78 m. The string can handle a tension of T = 9.8 N before breaking. The object undergoes uniform circular motion, being spun around by the string horizontally. %3D What is the maximum speed v the mass can have before the string breaks? Give your answer in units of m/s. V = sin() cos() tan() JT 8 9 HOME cotan() asin() acos() E 4 atan() acotan() sinh() 1 3 1. cosh() tanh() cotanh() END O Degrees O Radians VO BACKSPACE CLEAR DEL

A roller-coaster car of mass 309 kg (including passengers) travels around a horizontal curve of radius 35.2 m. Its speed is 21.3 m/s. a. What is the magnitude of the total force exerted on the car by the track? answer in N b. What is the direction of the total force exerted on the car by the track? Enter a positive angle if the direction is above horizontal and a negative answer if the direction is below horizontal. answer in degrees c. If the track is frictionless, then what banking angle would ensure that the car does not slide off of the track? (The banking angle is the angle between the direction normal to the track and the vertical.) answer in degrees

how to do?

An 0.55 kg puck slides in a r =20 cm circle on a frictionless table while attached to a hanging cyliner of mass M = 2.50 kg.  What frequency of rotation keeps the cylinder at rest?  Express your answer in Hz (cycles per second).  Hint:  Solve for speed then convert to frequency.  Use g=10N/kg.

B The diagram shows the motion of a 250 g mass in circular motion on a horizontal plane. Images captured with a stroboscopic camera with a frequency of 12 Hz. The orbital speed of the mass was 3.5 m s. Two positions of the mass have been labelled. (a) What is the radius of the circle of motion? (b) What is the tension in the string connecting the mass to the centre?

A ball is on the end of a string. The ball is being swung in a vertical circle at a constant speed. The length of the string is 1.25 m. The mass of the ball is 2.10 kg. The maximum tension the string can withstand is 61.0 N. What is the max speed of the ball without breaking the string when the ball is at the top of the circle (point a)?