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At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts at rest, slides without friction, and descends through a vertical height of 2.76 m what is her speed at the bottom of the slide?
A potter's wheel (a solid, uniform disk) of mass 7.0 kg and radius 0.65 m spins about its central axis. Calculate the moment of inertia of the system
A 70 kg man walks along a 40 kg horizontal plank which is 2 m long. The plank is attached to a hinge mounted to one wall, calculate the force provided by the hinge on the wall
An electron has an initial velocity of 4.9 • 106 m/s in a uniform 1.9 • 105 N/C strength electric field. How far does the electron travel before coming into rest in m
A spacecraft has a nonrelativistic (or classical) momentum whose magnitude is 1.5 × 1013 kg·m/s. Find the relativistic momentum of the spacecraft
q1. a stone of mass 0.31 kg is tied to a string of length 0.85 m and is swung in the horizontal circle with speed v.
Compute the gravitational force between the sun (M = 1.99×1030 kg) and the planet Pluto (m = 2.50×10-3 times the mass of the earth, orbital radius r = 39.557 A.U.).
She comes to rest 3.00 m under the surface of the water. Identify the magnitude of the average force that the water exerts on the diver. This force is nonconservative.
A uniform ball with a mass of 125 is rolling without slipping along the horizontal surface of a table with a speed of 4.5 m/s, What is the rotational kinetic energy of the ball
A 47.0 g golf ball is driven from the tee with an initial speed of 56.0 m/s and rises to a height of 26.0 m. obtain the kinetic energy of the ball at its highest point
What is the magnitude of the average force of the bat on the ball throughout the ball-bat contact.
When the air temperature is below 0, the water at the surface of a lake freezes to form a sheet of ice. If the upper surface of an ice sheet 24.60 cm thick is at -10.30 Celsius and the bottom surface is at 0.00 Celsius, compute the time it will ta..
The tow rope breaks just as a water skier at a speed of 10 m/s enters the bottom of a ramp inclined at 25 degrees. how far up the ramp does she go
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