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A 1.1 kg hollow ball with a radius of0.12 m, filled with air, is releasedfrom rest at the bottom of a 1.9 mdeep pool of water. How high above the water does the ball shootupward? Neglect all frictional effects, and neglect the ball'smotion when it is only partially submerged.
m
A 0.03 kg (lead) bullethits a steel plate and melts and splatters on impact. Assuming that the bullet recieves 80% of the collision energy, at what minimium speed must it travel to melt on impact? How is this soved without knowing what the bullet is ..
A box is sliding with a speed of 4.50 m/s on ahorizontal surface when, at point P, it encounters a roughsection. What is the coefficient of friction at the stopping point
A charged particle moves in a region of uniform magnetic field along a helical path, What is the speed of the particle as it moves along this path
Find the work done by 2.54 moles of an ideal gas if its volume doubles at a constant temperature of 23.6°C. Find the heat absorbed by the gas
A 5000 kg spaceship is positioned 140 km from the center of planet X and 581 km from the center of planet Y, find the magnitude of the total gravitational force on the spaceship
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
You are driving in your car along a country road at a speed of 27.0m/s. As you come over a crest of a hill, how far is the tractor in front of you when you finally stop
What are the following values about the central axis at the instant the torque has been applied for 195ms? The angular momentum of disk.
The sound level measured in the room by a person watching a movie in a home theatre system varies from 63 dB throughout a quiet part to 92 dB throughout a loud part. In the order of how many times louder is the latter sound.
Team B is pulling on a rope attached to the same anvil with the same force but in direction of 32 degrees S of E. What is the initial acceleration of the anvil.
A certain lightbulb has a tungsten filament with a resistance of 19.1 ? when at 20.0°C and 139 ? when hot, Find the temperature of the hot filament
If we assume uniform acceleration for both horses between A and C, find out the distance from A enough B.
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