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A gold brick measuring 0.25 ft. by 0.33ft by 1ft. is submerged in water. The weight density of gold is 1200 pounds per cubic foot and the weight density of water is 62.4 pounds per cubic foot.
a) What is the weight of the gold brick?
b) what is the bouyant force on the gold brick?
c) what is the net force on the gold brick?
An alpha particle (q = +3.20×10?19 C) moves at a velocity of 2.45×104 m/s in the positive x direction through a magnetic field of 0.0735 T that points in the negative z direction
A 25 gram ball is fired horizontally into a 0.375 Kg catcher arm at rest. How fast was the ball traveling before the impact occurred
We require any information you may have on how plants stay at their distance with out floating away or smashing into one another?
A small sphere that carries a charge of 6.35 ?C is whirled in a circle at the end of an insulating string. What average current does this rotating charge represent
If you are in a car accident with an initial speed of 119 km/h and you are stopped by an airbag that inflates from the dashboard, over what distance should the airbag stop you for you to survive the crash.
A tuning fork has a frequency of 128 Hz, what is the period of the tuning fork
A man runs at a velocity of 4.5 m/s frao 15.0 min. When going up an increasingly steep hill, How far did he run
An 52.0 N box of clothes is pulled 6.7 m up a 30.0° ramp by a force of 107 N that points along the ramp. If the coefficient of kinetic friction between the box and the ramp is 0.22, compute the change in the box's kinetic energy.
A radar receiver can be tuned to detect signals in the range of [1750 µm to 2750 µm]. What is the frequency difference between the minimum and maximum wavelength
suppose that the springs have somehow not yet compressed to their maximum amount. How much are the springs compressed.
An artillery shell is fired with an initial velocity of 300 m/s at 47.5° above the horizontal. To clear an avalanche, it explodes on a mountainside 47 s after firing. What is the x and y components of the shell where it explodes, relative to its f..
If the kinetic energy of an electron is 910 eV, calculate its De Broglie wavelength. For this non-relativistic electron you must firs, calculate its velocity from the general kinetic energy equation
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