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A cylindrical tank of 1.6 m in radius rests atop a platform 6.0 m high. Initially the tank is full with water to a depth of 3.0 m. A plug whose area is 6.3 cm2 is removed from the orifice in the side of the tank at the bottom, How far in the horizontal direction from the orifice does the water land.
a carnot efficiency engine operating between a reservoir of liquid mercury at its melting point and a colder reservoir extracts 15.0 J of heat from the mercury, What is the temperature of the colder reservoir
A wheel is spinning at 10 rad/s. It undergoes an angular acceleration of 8rad/s2 until it reaches an angular velocity of 354 rad/s. Decide how long it took to spin up. Determine how many revolutions it made while spinning up.
A rifle with a weight of 35 N fires a 5.0-g bullet with a speed of 250 m/s, If a 675-N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle
A uniform ring with a radius of 2.15 cm and a total charge of 6.37 ?C rotates with a constant angular speed of 3.84 rad/s, What is the magnetic moment of the rotating ring
a 15m long string of mass 1.8 kg is stretched such that the tension in the string is 25 n. a wave of frequency 20 hz is
Two billiard balls, one heading north at 15.0 m/s and a secondheading south at 10.0 m/s, collide head-on. Take the collision tobe perfectly elastic and choose the positive direction north.
n a cathode ray tube, electrons are accelerated from rest by a constant electric force of magnitude 6.6 ? 10-17 N during the first 1.9 cm of the tube's length, Find the speed of the electrons when they hit the screen
An electron has a kinetic energy of 0.100 MeV. Find its speed according to classical and relativistic mechanics
So as to simulate weightlessness for astronauts in training, they are flown in a vertical circle. If the passengers are to experience weightlessness, how fast must an airplane be moving at the top of a vertical circle with a radius of 1545 m.
Slamming on the brakes, a driver decelerates her car from 25.0 m/s to 15 m/s in 3.5 s. Find her average speed assuming the acceleration was unifrom.
Lightning As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor, How much charge can the cloud hold before the dielectric strength of the air is exceeded
an electron moving at 3.70 x 103 ms in a 1.45 t magnetic field experiences a magnetic force of 1.40 x 10-16 n. what
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