a 500g mass is swung from a string horizontal circle from a string. There is an angle of depression of 15 between the horizontal and the string. If the mass is moving at 3.5m/s, determine the radius of the circular motion
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- A 30.O-g ball at the end of a stung is swung in a vertical circle with a radius of 25.0 m. The rotational velocity Is 200.0 cm/s. Find the tension in the string: (a) at the top of the circle, (b) at the bottom of the circle, and (c) at a distance of 12.5 cm from the center of the circle (r=12.5cm).a 0.25 kg stone tied to a rope is swung to make a circular motion in a vertical plane . If the circle is of radius 300cm, what is the minimum uniform speed of the stone that will keep the rope tautYou tie a cord to a pail of water and swing the pail in a vertical circle of radius 0.660 mm . What minumum speed must the pail have at its highest point if no water is to spill from it?
- A puck of mass m=180g on a horizontal, frictionless table is connected to a string that passes through a small hole in the table, as shown in the following figure (attached) The puck is set into circular motion of radius R=50cm with a speed vi = 2.2 m/s. If the string is then pulled from the bottom as shown, so that the radius of the circular path is decreased to r=20cm, what is the final speed, vf, of the puck?A small object of mass 0.20 kg is whirled in a horizontal circle at the end of the 1 m long cord. What is the highest speed that the object can have if the cord can sustain a maximum force of 4 newtons without breaking?Consider a small brass mass that is twirled in a horizontal circle. The string is 0.45m long (from the hand to the mass and is dipping 10° below the horizontal. What is the time to complete one revolution?
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- A 2kg puck slides with uniform circular motion on a smooth surface. When the radius is 0.80m, the tension in the rope connecting the puck to the center of rotation is 15N. Find and do the following: a.) Free body diagram of the puck (looking at it from the side) when the center of rotation is to the left of it. b.) The angular velocity of the system c.) The acceleration of the system d.) The period of the system. e.) If the radius is increased to 1.60m but the angular velocity remains constant, determine the tension in the rope f.) If the radius is 0.80m, but the angular velocity is doubled, determine the tension in the rope.For a body at a height of 200m, what is the body's velocity when it reaches the earth's surface and the mass of the body is 25kgOne end of a cord is fixed and a small 0.550-kg object is attached to the other end, where it swings in a section of a vertical circle of radius 1.50 m, as shown in the figure below. When ? = 17.0°, the speed of the object is 6.00 m/s. At this instant, find the magnitude of the tension in the string.