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A board lies on top of 2 uniform cylinders that lie on a fixed plane inclined at an angle theta. The board has mass m and each of the cylinders has mass m/2. The system is released from rest. If there is no sipping between any of the surfaces, what is the acceleration of the board. Solve using force and torque.
An electric motor can accelerate a 4-kg grinding wheel in a form of a solid disk of radius 0.2 m from rest to 75 rad/s in 15 s. Find the torque generated by the motor
An oil rig in the gulf is held at its designated drilling location by 3 tugboats. tugboat A oulls with 42000 N straight in the east direction. Tugboat B pulls at an angle of 50 degrees north of west. tugboat C pulls 25 degress west of south. draw ..
A 4.0 m long horizontal boom (of negligible weight) can pivot at the wall to which it is attached and it is supported by a cable hooked 0.6 m from the far end that is at an angle of 37.2 degrees to the boom. find the normal force of the wall pushin..
A transformer has a primary coil with 1200 turns and a secondary coil with 225.0 turns. what is the voltage output from the secondary coil
Light of wavelength 550. nm in air is found to travel at 1.96x10^8 m/s in a certain liquid. Determine the frequency of the light in air
In an adiabatic centrifugal compressor atmospheric air at 15 degree Celsius is compared to 600kPa pressure. Find the specific compression work and the efficiency of the compressor
You wind a small paper tube uniformly with 173 turns of thin wire to form a solenoid. What is the inductance, in microhenries, of your solenoid
A solid, uniform disk of radius 0.250 m and mass 61.6 kg rolls down a ramp of length 4.60 m that makes an angle of 16° with the horizontal. Find the angular speed of the disk at the bottom of the ramp
At a time t = 3.40s , a point on the rim of a wheel with a radius of 0.210m has a tangential speed of 53.0m/s as the wheel slows down with a tangential acceleration of constant magnitude 11.0m/s2. Calculate the wheel's constant angular accelerat..
A 1500 microfarad capacitor and a 5600 microfarad capacitor are connected in parallel across a 12.0 V potential difference. Determine the total energy stored in the capacitors
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
The second resonant frequency (a.k.a second harmonic, n=2) of a string of length 60cm has the same frequency as the third resonant frequency (a.k.a. fifth harmonic, n=5) of a 1.0m pipe that is open only at one end
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