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a diver springs upward from a board that is 295 meters above the water at the instant she contacts the water her speed
a charge q is located at the origin while an identical charge is located on the x axis at x 076 m a third charge of 2q
the highest barrier that a projectile can clear is 145 m when the projectile is launched at an angle of 130deg above
an organ pipe is 20m longassume the pipe is cylindrical with one closed and one open end1 what is the longest
two point charges q1 410 nc and q2 260 nc are separated by 450 cma what is the electric potential at a point midway
a 85uc charge is at x1 16cm y1 70cm and a -34uc charge is at x2 41cm y2 10cm find the force on the negative charge
the electric field in a certain region is given eaxi hat where a 48ncm and x is the position in meters find the volume
a spherical shell of radius 15cm carries 48uc distributed uniformly over its surface at the center of the shell is a
a 36cm -diameter isolated metal sphere carries a net charge of 090uca what is the potential at the spheres surfaceb if
calculate the percent reflection loss when a beam of radiation passes from air through a plate back into air assuming
the intake in the figure has cross-sectional area of 072 m2 and water flow at 049 ms at the outlet distance d 180 m
an organ pipe is 20cm longassume the pipe is cylindrical with one closed and one open end1 what is the longest
a point charge 240 is held stationary at the origin a second point charge -430 moves from the point 0135 0 to the
at some point in its orbit our asteroid is moving with a speed of 25 kilometers per second determine the kinetic energy
an engine performs 4000 joules of work in 10 seconds what is the power output in kilowatts and in
lightning as a crude model for lightning consider the ground to be one plate of a parallel-plate capacitor and a cloud
a van de graaff generator has a spherical dome of radius 25 cm operating in dry air where atmospheric breakdown is at
an initially uncharged hollow metallic sphere with radius of 5 cm has a small object with a charge of 10 microc
a ladder 705 m long leans against the side of a building if the ladder is inclined at an angle of 760deg to the
a high fountain of water is located at the center of a circular pool as shown in the figure below not wishing to get
a surveyor measures the distance across a straight river by the following method starting directly across from a tree
one gallon of paint volume 378 10-3 m3 covers an area of 202 m2 what is the thickness of the fresh paint on the
a dollar bill is about 155 cm long if ten trillion dollar bills were laid end to end around the earths equator how many
two sinusoidal waves each of wavelength 5 m and amplitude 10 cm travel in opposite directions on a 25-m stretched
sheena can row a boat at 310 mih in still water she needs to cross a river that is 111 mi wide with a current flowing