A 300 g ball on a 70-cm-long string is swung in a vertical circle about a point 200 cm above the floor. The string suddenly breaks when it is parallel to the ground and the ball is moving upward. The ball reaches a height 600 cm above the floor. Part A What was the tension in the string an instant before it broke? Express your answer to two significant figures and include the appropriate units. HÅ T = Value Submit Request Answer 0 ? Units
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- How far above the Earth's surface will the acceleration of gravity be half what it is at the surface? Express your answer using three significant figures and include the appropriate units. HA ? Value UnitsQuestion Completion Status: A bullet is fired at an initial velocity of 130 m/s horizontally (0 degrees) at the top of a 123 m tall puilding. Neglecting air resistance, determine the velocity in m/s with which the bullet will hit the ground. Use the value of the gravity in 2 decimal place. Use up to 4 decimal places. NOTE: Do not assume that this is the same problem as the previous question. The numerical values for each question are different.A small object of mass 0.500 kg is attached by a 0 0.650 m-long cord to a pin set into the surface of a frictionless tabletop. The object moves in a circle on the horizontal surface with a speed of 6.91 m/s.1. What is the magnitude of the radial acceleration of the object?2. What is the tension of the cord?