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A 60 g ball is tied to the end of a 50 cm --long string and swung in a vertical circle. The center of the circle, as shown in the figure , is 150 cm above the floor. The ball is swung at the minimum speed necessary to make it over the top without the string going slack.
If the string is released at the instant the ball is at the top of the loop, how far to the right does the ball hit the ground?
delta x = _____ m?
A gymnast is performing a floor routine. In a tumbling run she spins through the air, How much time does this maneuver take
An object of mass 5.0 kg is attached to a string of length 2.0 m and rotating in a horizontal circle with an angular velocity of 3.0 rad/s
A planoconcave lens (n = 1.52) has a focal length of -24.6cm. What is the radius of the concave surface
Consider a parallel-plate capacitor with .30m by .50m-rectangular plates separated from eachother by .010mm. this capacitor has a capacitance of 280nF, find the dielectric constant of this capacitor
The catapult on an aircraft carrier can take an aircraft from 0 to 182 mph in 11 seconds, at which time the aircraft launches
An alpha particle with kinetic energy 17 MeV makes a head-on collision with a lead nucleus at rest. What is the distance of closest approach of two particles.
A turbine blade rotates with angular velocity w(t)= 2.00 rad/s - 2.100 rad/s^3 t^2. What is the angular acceleration of the blade at t = 9.1 s
A car drives straight off the edge of a cliff that is 47.00m high. The police at the scene of the accident observed that the point of impact is 122 m from the base of the cliff. How fast was the car travelling when it went over the cliff.
If the air pressure at a particular place in the mountains is 0.75 atm estimate the temperature at which water boils
A 1000 kg aircraft going 25 m/s collides with a 1500 kg aircraft that is parked and they stick together after the collision and are going 10 m/s after the collision. If they skid for 5.4 seconds before stopping, how far did they skid?
A sound wave traveling at 341 m/s is emittedby foghorn of a tugboat. An echo is heard2.40 s later.How far away is the reflecting object? reply in units of m.
A billiard ball moving at 5 m/s strikes a stationary ball of the same mass. After the collision, find the struck ball's velocity (magnitude and direction) after the collision
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