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A device consisting of four heavy balls connected by low mass rods is free to rotate about an axle. It is initially not spinning. A small bullet travellet very fast buries itself in one of the ball: mass m=0.002kg, speed v= 550m/s. The balls, M1=1.2kg, M2=0.4kg, R1=0.6m, and R2=0.2m. The axle of the device is at the origin <0,0,0>, and the bullet strikes at the location <0.155,0.580,0>m. Just after, the impact, what is the angular speed of the device? Note that this is an inelastic collision, the system's temperature increases.
For a Heat of Fusion Lab: If we used the metal inner Calorimeter cup instead of the Styrofoam cup, how would this affect the final temperature
When one person was talking in a small room, sound intensity level was 60dB everywhere within the room. Then, there were 14 people talking in similar manner at the same time in the room, what was the resulting sound intensity level.
A spaceship is measured to be 158 m long while at rest relative to the observer. what length does the observer measure
An airplane wing is designed so that the speed of the air across the top of the wing is 259 m/s when the speed of the air below the wing is 193 m/s. determine the height of the building
A 1.35 block is attached to a spring with spring constant 14. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 50. What are The block's speed at the point where = 0.750 A.
he first person is initially moving forward with a speed of 2.50 m/s, and the second person is initially at rest. Illustrate what are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and ..
A 100-kg halfback running north with a speed of 12 m/s is tackled by a 110-kg opponent running south with a speed of 4.0 m/s. If collision is completely inelastic and head-on, compute the speed of the players just after the tackle.
A wooden block weighing 7 N is at rest on top of a wooden desk. The coefficient of static friction between the block, Find the minimum horizontal force required to move the block
Coin is placed 14.0 from the axis of the rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on turntable until a rate of 40.0 (revolutions per minute) is reached, at that point the coin s..
Two small metallic spheres, each of mass 0.20g, are suspended as pendulums by light strings from a common point.
Two in-phase loudspeakers are some distance apart. They emit sound with a frequency of 1 kHz. What beat frequency do you observe
a massive particle, rest mass M absorbs a photon. The inertial mass increases to 1.05 M. Determine the energy of the incoming photon
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