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A person scffing her feet on a wool rug on a dry day accumulates a net charge of -95uC.
Part A: How many excess elecvtrons does she get?
________ electrons using two significant figures
Part B: By how much does her mass increase?
_______ kg
Two identical piano wires have a fundamental frequency of 491 Hz when kept under the same tension. when both wires oscillate simultaneously
What is the acceleration of a 1.00 gram drop of blood in the finger tips at the bottom of the swing? Find out force that the blood vessel must exert on the drop of blood in part (a)
An iron casting containing a number of cavities weighs 23137.8 N in air and 19020.3 N in water. What is the total volume of all the cavities in the casting
The generator at a power plant produces AC at 29,000 V. A transformer steps this up to 305,000 V for transmission over power lines, how many turns must there be in the output coil
You spin an object around so that it moves in a horizontal circle with 2.00 m radius at a speed of 2.5m/s, What is the angular speed of the object
The electronic flash attachment for a camera contains a capacitor for storing the energy used to produce the flash, Assuming that the flash lasts for 4.6 ms, find the effective power or "wattage" of the flash
The angular momentum of the electron as it moves around the center of the circle is 1.40 × 10-25J•s.Find the radius of the circular path.
An airplane with a speed of 87.7 m/s is climbing upward at an angle of 35.1 ° with respect to the horizontal. determine the angle of the velocity vector of the package
Think about a communications satellite in geosynchronous orbit. It sits approximately 35,786 kilo meter above the Earth's equator.
Assume too that the bullets rebound straight back with no change in speed. What is the magnitude of the average force on Superman's chest from stream of bullets.
A 0.2 object is swung in a vertical circular path on a string 0.1 m long. The acceleration of gravity is 9.8 m/s^2. If a constant speed of 4.07 m/s is maintained, what is hte tension in string when the object is at the top of the circle? Answer in..
A 13cm -diameter cylinder contains argon gas at 10 atm pressure and a temperature of 60?C. What is the final length of the cylinder
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