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The edge of the thimble of a micrometer moves a distance of 2.0 mm when it is given four complete revolutions.
Find the pitch of the micrometer.
If the number of divisions on the circular scale is 50, calculate the least count of the micrometer. Use units of millimeters for all answers in this question.
A 4.95-kg ball, moving to the right at a velocity of +1.60 m/s on a frictionless table, Find the final velocities of the balls if the collision meet the following conditions
At the same time, the stationary trumpeter played the same note. Ballot heard 3.0 beats per second. How fast was the train moving toward him.
A 900- kg car collides with a 1300- kg car that was initially at rest at the origin of an x-y coordinate system. What was the initial speed of the lighter car (in km/h)
A 10 kg block of metal is massed on a spring scale in air. What is the desnity of the metal
Two point charges of equal magnitude are 6.1 cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 37 N/C
A 500? resistor and a 240mH inductor are connected in series with an ac generator with an rms voltage of 17.0V, compute the rms current in this circuit
Two skaters with masses of 66kg and 51kg , respectively, stand 7.5m apart, each holding one end of a piece of rope. how far does each skater travel
Find out the coefficient of sliding friction
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.763 rev/s, Calculate the initial and final kinetic energies for this system.
A certain particle has the life time of 10^-7 s, while measured at rest. How far does it go before decaying if its speed is 0.99 c when it is created.
Two cylinders, made from the same material and having the same length, have radii r1 and r2 with r1 > r2. Find the final angular velocity of the smaller cylinder
The distance to the Andromeda Galaxy is estimated at about 2 ´ 106 light years. A light year is distance travelled by light in one year; if the speed of light is 3 ´ 108 m/s, about how far is it from our galaxy to Andromeda? (1 year = 3.15 ´ 107 s..
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