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A 170 ball is dropped from a height of 1.8 , bounces on a hard floor, and rebounds to a height of 1.0 . The figure(Figure 1) shows the impulse received from the floor. What maximum force does the floor exert on the ball? (the diagram shows the impulse spanning for 5 ms)
A sphere completely submerged in water is tethered to the bottom with a string. What is the density of the sphere
In an R-L-C series circuit the magnitude of the phase angle is 52.9? with the source voltage lagging the current. The reactance of the capacitor is 360? , Find the reactance of the inductor
If it started falling from an upright position, what was the initial angular acceleration of the structure? suppose that the bottom did not slide across the floor and that it did not fall out of plane; that is, during the fall, the structure remained..
In a science fiction novel, a starship takes three days to travel between two distant space stations according to its own clocks. How fast did the starship travel, relative to the space station
A 54.00 kg pole vaulter running at 10 m/s vaults over the bar. Her speed while she is above the bar is 1.0 m/s. Avoid air resistance, in addition to any energy absorbed by the pole, and determine her altitude as she crosses the bar.
The first stage of a space vehicle consumed fuel and oxidizer at the rate of 1.85 104 kg/s, with an exhaust speed of 3.30 103 m/s. Calculate the thrust produced by this engine
A 0.250 kg ball attached to a string s being swung in a vertical circle, like a roller coaster doing a loop-de-loop, with a radius of 1.15 m. What is the minimum speed at the top of the circle to keep the string from going slack
A meter stick, sitting on a frictionless table top, is struck by a wad of clay with a force, F = 4.0 N at an angle. The meter stick will rotate in the plane of the table. Conclude the magnitude of the torque about the axis of rotation located at t..
Consider a person on the moon who launches herself into a standing broad jump at 45 degrees. The average force generated during launching is, compute the maximum height of the jump
A cylinder of mass10.0kg rolls without slipping on a horizontal surface. What is the rotational kinetic energy about its center of mass
Passengers riding in the Great Six Flags Air Racer are spun around a tall steel tower. At top speed the planes fly at a 59.0 o bank approximately 12.0 m from the tower, Calculate the speed of the planes
One gallon of gasoline contains 3.1 107 calories of potential energy that are released during combustion. what is the average force produced by the gasoline
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