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A 30-caliber rifle with a mass of 2.84 kg fires a 9.73- g bullet with a speed of 556 m/s with respect to the ground. What kinetic energy is released by the explosion of the gunpowder that fires the bullet? (Note there is a tolerance 0.1 percent for the answer)
An electron field of 8.50e5 V/m is desired between two parallel plates each of area 45cm^2 and seperated by 2.45 mm of air
A tuning fork is sounded above a resonating tube (one end closed) which resonates at a length of 0.32 m, What is the frequency of the fork
Two boys are sliding toward each other on a frictionless, ice-covered parking lot. Jacob, mass 45 kg, is gliding to the right at 7.67 m/s, What is their velocity immediately there after
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 39.1 J, What is the kinetic energy of the system at the equilibrium point
9.00 of aluminum at and 19.0 of copper are dropped into 51.0 of ethyl alcohol at. What is the initial temperature of Copper
An air-track glider attached to a spring oscillates with a period of 1.50s . At t=0s the glider is 5.20cm left of the equilibrium position, calculate the phase constant
A molecule of DNA (deoxyribonucleic acid) is 2.22 µm long. The ends of the molecule become singly ionized, Determine the effective spring constant of the molecule
The magnetic field perpendicular to a circular wire loop 11.2cm in diameter is changed from +0.50Tto -0.33T in 130ms, In what direction does the induced current flow?
At rest, a car's horn sounds the note A (440 Hz). The horn is sounded while the car is moving down the street. find Is the cyclist ahead of or behind the car
The orbit of this second satellite has a radius of 8.45 x10^6 m. What is the orbital speed of the second satellite.
A 9.00 kg box hangs in static equilibrium. Find the tension in each rope. T1 on the left makes an angle of 15 degrees below the horizontal and is attached to the 9.00 kg box
An electron is accelerated by a uniform electric field (1000 V/m) pointing vertically upward. Utilize newton's laws to determine the electron's velocity after it moves .10 cm.
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