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A fish takes the bait and pulls on the line with a force of 2.5 N.The fishing reel, which rotates without friction, is a uniformcylinder of radius .055 m and mass .81 kg.
What is the anglular acceleration of the fishing reel?
How much line does the fish pull from the reel in .35 s?
Calculating plants maximum possible thermal and actual efficiency.
A proton moves with a speed of 0.955c. Calculate its rest energy and Calculate its kinetic energy
A ball of mass m, at one end of a string of length L, rotates in avertical circle just fast enough to prevent the string from going slack at the top of the circle. The speed of the ball at the bottom of the circle is:
A force of 83 Newtons is applied to a wire with a diameter of 0.5 mm. What is the tensile stress (in N/m2) in the wire
A physical pendulum is composed of a sphere whose center of gravity is attached to a thin rod. The sphere has a moment of inertia of 2/5 MR2. The period of the physical pendulum is
A compass originally points North; at this location the horizontal component of the Earth's magnetic field has a magnitude of 2e-5 T. What is the magnetic dipole moment of the bar magnet
Calculate the maximum electric field associated with a laser beam operated with a 10 mW power supply and a beam diameter of 1.0 mm
A 1.7kg , 20-cm-diameter turntable rotates at 50rpm on frictionless bearings, What is the turntable's angular velocity, in rpm, just after this event
A heart defibrillator delivering 400 J of energy by discharging a capacitor initially at 10,000 V has a capacitance of 8.00 µF, What is the voltage of the second defibrillator
A ball is kicked with an initial velocity of 16 m/s in the horizontal direction and 14 m/s in the vertical direction. What maximum height is attained by the ball
The parachute on a race car of weight 8130 N opens at the end of a quarter mile run when the car is traveling at 30.7 m/s. What total retarding force must be supplied by the parachute
Assume that if the shear stress in steel exceeds about 4.00 108 N/m2, the steel ruptures. (a) Determine the shearing force necessary to shear a steel bolt 1.50 cm in diameter. N (b) Determine the shearing force necessary to punch a 1.50-cm-diameter h..
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