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Each of the two triangular plates shown has a mass of 5 kg and is welded to a vertical shaft AB. Knowing that the assembly rotates at the constant rate ω=8 rad/s, determine the dynamic reactions at A and B.
Friction provides the force needed for a car to travel arounda flat, circular racetrack. What is the maximum speed at which acar can safely travel if the radius of the track is 80.0m and the coefficient of friction is0.40
A ball of mass 0.25 kilogram that is moving with a speed of 10 meter per second collides head-on and elastically with another ball initially at rest. Estimate the mass of the target ball
A current of 10.0 mA is maintained in a single circular loop with a circumference of 1.20 m. A magnetic field of 0.880 T is directed parallel to the plane of the loop. What is the magnitude of the torque exerted with the magnetic field on the loop?
Find the magnitude of the acceleration of the particle. What are the x- and y-coordinates of the shell where it explodes,associated to its firing point.
Two 2.2 kg masses are 1.4 m apart on a frictionless table. Each has +1.0 µC of charge. What is the magnitude of the electric force on one of the masses
Young David who slew Goliath experimented with slings before tackling the giant. He found that he could revolve a sling of length 0.600 meter at the rate of 9.00 rev/s. Determine the speed of the stone for each rate of rotation
If the distance between the first and tenth maxima of a double slit pattern is 4.2mm and the slits are separated by 0.15mm with the screen 90cm from the slits,what is the wavelength of the used?
Two particles are fixed to an x axis: particle 1 of charge -4.18 × 10-7 C is at the origin and particle 2 of charge +4.18 × 10-7 C is at x2 = 13.9 cm. what is the magnitude of the net electric field
A 0.10g honeybee acquires a charge of 25pCwhile flying, What is the ratio of the electric force on the bee to the bee's weight
The angle of incidence of a light beam in air onto a reflecting surface is continuously variable. What is the index of refraction of the reflecting material
an object with a mass of 5g hangs from a cord around a pulley.? the length of the cord between point p and the pulley
In open heart surgery a much smaller amount of energy will defibrillate the heart. Find the amount of stored charge
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