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A uniform stick d = 1 m long with a total mass of 249 g is suspended vertically from a frictionless pivot at its top end. A wad of putty of mass 26 g is moving horizontally with speed v. It strikes and sticks to the stick at a distance 0.75 m from the pivot.What is the minimum speed of the putty such that the stick, with the putty stuck to it, will rise to the horizontal position?
A dam holds back water. In the dam is a turbine that produces power with an efficiency of 0.73. what is the velocity of the water leaving the turbine
An electric train operates on 740 V. What is its power consumption when the current flowing through the train's motor is 1,970 A
An unknown capacitance C is in series with a 3.0uF capacitor. This pair is in parallel with a 1.0uF capacitor, Make a circuit diagram for this Network
The Young's modulus (for compression) for a section of compact bone in the femur is 10 GPa. what strain results from this compression
An ideal gas expands at a constant total pressure of 2.5 atm from 3.45 L to 6.70 L. calculate the total work done by the gas in the process
A 75kg skater starts his skate at 4m above ground, the horizontal distance to the bottom of the track is 6m. Calculate the speed of the skater at the bottom of the track
A 72 kg skier is going down a slope oriented 37° above the horizontal. Determine the pressure that each ski exerts on the snow
A man stands on the roof of a building of height 13.6m and throws a rock with a velocity of magnitude 31.8m/s at an angle of 31.6 degrees above the horizontal. compute the maximum height above the roof reached by the rock
If a capacitor has a capacitance of 10 µF and we wish to increase the potential difference across the plates by 50 V, how much charge will we have to add
A 80.1-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.77 rad/s. Find the angular velocity of the platform with its load
A face appears in a convex mirror; face is 75% its normal size and appears to be 24cm behind the mirror. How far was the face standing from the mirror
A 5.66 microcoloumb and a -2.88microcoloumb charge are placed 16.9cm apart. Where can a third charge be placed
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