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You want to build a grandfather clock with a pendulum (aweight on the end of a light cable) that has one second between its"tick" (swinging to) and its "tock" (swinging fro).
(a) How long do you make the cable?
m
(b) Suppose the cable stretches a bit from the weight on the end.Will the clock run fast or slow?
A tank contains 11.9 g of chlorine gas (Cl2) at a temperature of 81 °C and an absolute pressure of 5.50 105 Pa. The mass per mole of Cl2 is 70.9 g/mol. Determine the volume of the tank
Suppose a planet is discovered that has the same amount of mass in a given volume as the Earth, but has radius 1/5 . Calculate the acceleration due to gravity on this planet
The velocity of an airplane with respect to the ground is 2.00 x 102 m/s at an angle of 30.0 degrees NORTH of EAST. find the velocity of the air with respect to the ground
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Air isn't a perfect electric insulator, but it has a very high resistivity of 3x10^13 omega*m. what fraction of the charge will flow across the air gap
A building in San Fran has light fixtures consisting of small 2.35kg bulbs with shades hanging from the ceiling at the end of lightthin cords 1.5 m long. If a minor earthquake occurs, how many swings per second will these fixtures make?
A uniform disc of radius 30 cm and mass 12 kg is pivoted so that it is free to rotate about an axis through its center. What is the acceleration of the disc
If a Capacitance of PPC is 12 PF. Distance between its plates is reduced to half, What would the new capacitance of the capacitor
By what percentage does the density of a bowling ball change (assuming it is a uniform sphere) when it is taken from room temperature (68F ) into the cold night air in Nome, Alaska (-40F ). Assume the ball is made out of a material that has a linear ..
A ballistograph consists of a platform supported on air jets that allow sensitive recoil speed measurements of the human body, for example the human heart. If the typical human heart ejects 0.70 kg of blood with an average speed (or velocity) of 0.30..
One type of slingshot can be made from a length of rope and a leather pocket for holding the stone. Determine the angular speed of the stone at the moment of release
A straight horizontal wire carries a current of 3.55 ?A. A proton is moving above the wire in a direction parallel to it but opposite to the direction of the conventional current in the wire, How far is the proton above the wire
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