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A 0.12 meter long, 0.15 kg thin rigid rod has a small 0.22 kg mass stuck on one of its ends and a small 0.080 kg mass stuck on the other end. The rod rotates at 1.7 rad/s through its physical center without friction. What is the magnitude of the angular momentum of the system taking the center of the rod as the origin? Treat the masses on the ends as point masses.
The answer is in kg*m^2/s
It takes a minimum force of 280N to move a 50 kg crate. What is the coefficient of maximum static friction between the crate and the floor
The currents in household wiring and power lines alternate at a frequency of 60.0 Hz. What is the wavelength of the EM waves emitted by the wiring
A fisherman has caught a very large, 5.0 kg fish from a dock that is 2.0 m above the water. If the fish is at rest at the water's surface, what is the least amount of time in which the fisherman can raise the fish to the dock without losing it
A ray of light has an angle of incidence of 34.0 ° on a block of quartz and an angle ofrefraction of 17.5°. What is the index of refraction for this block of quartz?
Charge q1 = -6.5 nC is placed at the coordinate system origin, while charge q2 = 3.5 nC is placed at (a, 0), At the point P, determine the x-component of the electric field
A piano tuner sounds two strings simultaneously. One has been previously tuned to vibrate at 292.0 Hz. The tuner hears 4.0 beats per second. What was the original frequency of the untuned string
the half life of thorium 227 is 18.72 days. it decays by alpha emission to radium 223 an alpha emitter whose half life
Light enters a substance glass using a converging lens with a refractive power of 20 diopters. Find the magnification if the image is to be viewed by a relaxed eye with a near point of 25 centimeter
What is tension in the cord
Two test charges are located in the x-y plane. If q1 = -2.30 nC and is located at x = 0.00 m, y = 1.040 m and the second test charge has magnitude of q2 = 4.00 nC and is located at x = 1.20 m, y = 0.750 m, calculate the x and y components
An airplane is flying with a velocity of 83.0 at an angle of 25.0 above the horizontal. When the plane is a distance 114 directly above a dog that is standing on level ground, the suitcase drops out of the luggage compartment.
A 5570kg open train car is rolling on frictionless rails at 23.6m/s when it starts pouring rain. What mass of water has collected in the car
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