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The flywheel of a gasoline engine is required to give up 510J of kinetic energy while its angular velocity decreases from 630rev/min to 480rev/min
part a What moment of inertia is required?
A proton and an alpha particle are released from rest when they are 0.225nm {\rm nm} apart. Find the maximum speed of proton
The vertical displacement of particles in a string, where everything is measured in standard units, meters and seconds, What is the amplitude of the wave
Two protons are released from rest, one from location 1 and another from location 2. When these two protons reach location 3,, what is the electric potential at location 3
A solenoid of length 5.4 cm and diameter 0.92 cm is wound with 167 turns per cm, What is the induced emf in the entire solenoid
A 66 {rm kg} skier speeds down a trail, as shown in the figure . The surface is smooth and inclined at the angle of 22 ^circ with the horizontal. Find the magnitude of the net force acting on the skier.
A projectile is launched at an angle of 34^{\circ} above the horizontal. The projectile has a mass of 1.50 kg and is given an initial speed of 20.0 m/s. What is the initial kinetic energy of the projectile
Find the normalization constant co and the probability of finding the particle in the interval ±a//5. What is the mean momentum?
Two square metal plates are placed parallel to each other, separated by a distance d= 2.04 cm. The plates have sides of length L = 0.580 m. One of the plates has charge Q= + 1.86×10-6 C, while the other plate has charge -Q. Calculate the magnitude..
A helicopter rises vertically with a constant upward acceleration of 0.38 m/s^2 . As it passes an altitude of 20m , a wrench slips out the door. How soon does the wrench hit the ground? At what speed does the wrench hit the ground?
If there are 5000 lines per cm are ruled on a diffraction grating instrument, Find the spacing of slit used in the experiment
A ladder of length L = 2.6 m and mass m = 20 kg rests on a floor with coefficient of static friction %u03BCs = 0.54. What is the normal force the floor exerts on the ladder
A +45?C point charge is placed 42cm from an identical +45?C charge. How much work would be required for an external force to move a +0.70?C test charge from a point midway
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