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On a horizontal axis attached a flywheel and lightweight pulley with radius of 5 cm. On the pulleh is reeled with a cord, to which is hanged a weight with mass of 0.4 kg. Falling with a constant acceleration, the weight passed a distance of 1.8 m in 3 s. Find the moment of inertia of the flywheel, the mass of the flywheel is neglected. The flywheel and the pulley is attached togehter.
What is the longest wavelength of light that can be absorbed by a hydrogen atom that is initially in the second excited state
Find the mans rate of sweat production
A chartered airplane flies 100 km east, then 350 km northwest, and then 150 km at 30° west of south. After an additional displacement, the plane is back where it started. Find the magnitude and the direction of the last leg of the journey.
A 350kg piano slides 3.8m down a 33^\circ incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (see the figure(Figure 1) ). The effective coefficient of kinetic friction is 0.35.
A Carnot heat engine is to be designed with an efficiency of 81%. what is the temperature of the "hot" reservoir
A uniformly charged conducting sphere of 1.4 m diameter has a surface charge density of 11 µC/m2, Find the net charge in coulombs on the sphere
By how much horizontal force would you need to apply to a 3.0 N plastic calculator to start it moving from rest? How much horizontal force would you need to keep it moving?
One solenoid is centered inside another. The outer one has a length of 55.0cm and contains 6800 coils, Find the emf induced in the inner solenoid
Mercury is poured into a U-tube. The left arm of the tube has cross-sectional area A1 of 10.4 cm2, Determine the length of the water column in the right arm of the U-tube
Cyclotrons are often used to bombard Oxygen-18 with a proton to create Fluorine-18. Estimate the final velocity of the proton
Whats the coefficient of the kinetic friction of the tire. What is the acceleration of the car.
A target in a shooting range consists of a square wooden board of side length S = 0.500 meter and mass mT = 0.750 kg, find the angular speed of the target just after the collision
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