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A bowling ball is released from rest and rolls without slipping down an inclined plane at 18° to the horizontal. What is the speed (m/s) of its center of mass after it has rolled 2.5m down plane? Think about the bowling ball to be a uniform sphere.
A force accelerates a body of mass M. The same force applied to a second body produces three times the acceleration. what's the mass of the second body
A parallel-plate capacitor is charged to a potential difference of 12 V. The area on each plate is 20 cm2 and the spacing between plates is 0.15 mm.
Light of frequency 6.0 x 10^14 hertz strikes a glass/air boundary at an angle of incidence θ1. The ray is partiallyreflected and partially refracted at the boundary, as shown above.The index of refraction of this glass is 1.6 of this frequency. De..
The moon in its orbital about the earth has a centripetal acceleration about 1/4200 of that an object dropped on Earth's surface. If the moon were twice as far away what would its centripetal acceleration be?
A boy of mass 52.2 kg is initially on askateboard of mass 2.00 kg, moving at a speed of 9.8 m/s. The boy falls off the skateboard, and hiscenter of mass moves forward at a speed of 10.9 m/s. Find the final velocity of the skateboard.
Three charges are at rest on the z axis: q1 = ?7.21 mC at z = 4.58 m, q2 = ?1.79 mC at z = 0 m, What is the potential energy of this system
A piece of metal is pressed against the rim of a 2.8- kg, 25- cm-diameter grinding wheel that is turning at 2800 rpm. how much force must you press to stop the wheel in 20.0 s
Suppose you wish to make a solenoid whose self-inductance is 1.7 mH. How many turns of wire are needed
A charge of -270e is uniformly spread through the volume of a sphere of radius 2.10 cm. What is the volume charge density in that sphere
A can of sardines is made to move along an x axis from x1 = 0.2 m to x2 = 1.2 m by a force given by F = iF0exp(-0.5x), How much work is done on the can by the force
Two identical point charges are fixed to diagonally oppositecorners of a square that is 0.500 m on a side. Each charge is +3.0x 10-6C. How much work is done by the electric force as one of the charges moves to an empty corner?
a calculate the inductance of a solenoid containing 300 turns if the length of the solenoid is 25.0 cm and its cross
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