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At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 6.35 m above the water. One diver runs off the edge of the cliff, tucks into a "ball," and rotates on the way down with an average angular speed of 3.75 rev/s. Ignore air resistance and determine the number of revolutions she makes while on the way down.
Sit on a rotating chair. Slowly twist your body in one direction and after that rapidly twist it in the other. What is going to happen? Is angular momentum conserved and if not why.
A circuit consists of a 0.15 microF capacitor, a 600 ohm resistor, and a 70 mH inductor in series. Calculate the rms current flow
A block of mass 200g, sliding with a speed of 12 cm/sec on a smooth level surface, makes a head-on, elastic collision with a block of unknown mass, Determine the mass of the second block
Determine and explain the ways a corporation can use advanced Excel tools such as MIN and MAX statement, conditional formatting, and additional tools that have found to manage their business finances.
At the Winter Olympics, an athlete rides her luge down the track while a bell just above the wall of the chute rings continuously. Find the speed of the athlete
A ball of mass 0.40 kg is fired with velocity 140 m/s into the barrel of a spring gun of mass 2.1 kg initially at rest on a frictionless surface. What fraction of the ball's initial kinetic energy is stored in the spring
A railroad car with a mass of 2.46 x 10^4 kg moving at 3.25 m/s collides and joins with two railroad cars already joined together, each with the similar mass as the single car and initially moving in the same direction at 1.49 m/s.
Assume that, as lying on a beach near the equator of a far-off planet watching the sun set over a calm ocean, you start a stopwatch just as the top of the sun disappears.
An automobile tire has a radius of 0.330 m, and its centre moves forward with a linear speed of v= 15.0 m/s. Find the angular speed of the wheel.
A baseball has a mass of 140 grams and a softball has a mass of 280 grams. In which of the situations would they both have the same momentum.By how much will a bar long of the same material.
An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at. It then oscillates with a period of 1.5 and the maximum speed of 32.
A baseball player hits a double and ends up on second base. A baseball "diamond" is a square, each side of length 27.4 m, What is the magnitude of the player's displacement
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