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Problem: An arrow is shot straight up and returns to its original position in 6.8 seconds.
Part A: Determine the arrow's initial velocity and the height that it reached at the peak of its flight.
Please use great detail in explaining the solution. Thank you.
500 ml of a liquid with a coefficient of volume expansion of 205x10-6oc fills to the brim a container that has a
A container is filled to a depth of 19.0 cm with water. On top of the water floats a 32.0-cm-thick layer of oil with specific gravity0.600
A middle-aged man starts to wear eye glasses with lenses of1.5 D that allow him to read a book held as close as25 {\rm cm}. Several years later, hefinds that he must hold a book no closer than 33 cm to read it clearly with the same glasses, sohe g..
A ?ywheel in the form of a heavy circular disk of diame
question suppose a wire is stretched tightly around the earth. the radius of the earth is approx. 6400 km. if the wire
The polarizers are rotated, so that the second polarizer has a transmission of 43.6 degrees with respect to the first polarizer, find the intensity of the beam
During normal operation, a computer's hard disk spins at 7200 rpm. what is the average angular acceleration of the hard disk
Interstellar space has a magnetic field on the order of 0.1 nT. Matter in this space is mainly Hydrogen atoms (about 1 per cubic centimeter) moving with speeds of about 1 km/s. Compare the energy in the magnetic field to the Kinetic Energy of the ato..
What is the average energy of the system after many measurements
a proton accelerated by a potential difference of 10kv and passes horizontally into a region in which there is a
a 4.50g bullet is fired horizontally into a 2.35kg wooden block resting at the bottom of a 25 degree inclined surface.
a. calculate the rate of heat conduction through house walls that are 13.0cm thick and that have an average thermal
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