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One 3.5 kilogram paint bucket is hanging by a mass less cord from another 3.5 kilogram paint bucket, also hanging by a mass less cord.
If the two buckets are pulled upward with an acceleration of 1.50 m/s2 by the upper cord, evaluate the tension in each cord.
A capacitor is charged by a 10 V ideal battery through a 100 Ohm resistor. It's voltage increases from 0 to 5V in 4 seconds. What is the capacitance of the capacitor
A jogger takes 49 minutes to run 22 times around a track that measures 0.25 mile. What is her average velocity in mph and m/s
An ?-particle has a charge of +2e and a mass of 6.64 multiply.gif 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.12 multiply.gif 106 V, What is the radius of its circular path
What is the magnifying power of an astronomical telescope using a reflecting mirror whose radius of curvature is 4.09m and an eyepiece whose focal length is 3.29cm
Find the linear momentum and kinetic energy of a bullet of mass 4.60 10-2 kg moving at a speed of 320 m/s
The top has a moment of inertia of 4.70 10-4 kg·m2 and is initially at rest. It is free to rotate about the stationary axis AA'. A string, wrapped around a peg along the axis of the top, is pulled in such a manner as to maintain a constant tension of..
The bottom of an aluminum pot has an area of 157 cm2 and a thickness of 3.25 mm. How many watts are needed to boil water at this rate
Early in the morning, when the temperature is 5.0?C, gasoline is pumped into a car's 51-Lsteel gas tank until it is filled to the top. How much gasoline spills out in this case
The focal length of a simple magnifier is 7.00 cm. Suppose the magnifier to be a thin lens placed very close to the eye. How far in front of the magnifier must an object be placed if the image is formed at the observer's near point, 25.0 cm in front ..
A block of mass m = 300 g is released from rest and slides down a frictionless track of height h = 70.6 cm. What is the value of the spring constant k
A 15.1 mass fastened to the end of a steel wire with an unstretched length of 0.650 is whirled in a vertical circle with angular velocity 2.00 at the bottom of the circle. The cross-sectional area of the wire is 1.20×10?2 . Calculate the elongatio..
What magnitude of charge must be given to the drop
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