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A potter's wheel with rotational inertia 6.92kg⋅m2 is rotating freely at 19.3 rpm. The potter drops a lump of clay onto the wheel, where it sticks 48.0 cm from the rotation axis. With the clay on the wheel, the wheel's rotation rate is 17.4 rpm. What is the mass of the clay?
An electromagnetic wave in vacuum has an electric field amplitude of 220 V/m. Calculate the amplitude of the corresponding magnetic field
when an ambulance is stationary the siren gives off a sound at a frequency of 500 hz. in answering the following
What is volume concentration
A negative point charge is alone in free space. The electric field at some given distance x from the charge is 7 N/C. What would be the electric field at a distance 2x
Astronauts put their spaceship into orbit about a planet. Theyfind that the acceleration of gravity at their orbital altitude isone fourth that at the planet's surface. How far above the planet'ssurface are they orbiting? Answer in terms of the pl..
Find what angle does the vector that points from the origin of the x-y plane to the point (2.0, 3.0) make with respect to the x-axis
A 0.450-kg block of wood hangs from the ceiling by a string, and a 7.30×10?2-kg wad of putty is thrown straight upward, How high does the putty-block system rise above the original position of the block
A bullet of mass 5.5 g is fired horizontally into a 2.8 kg wooden block at rest on a horizontal surface. The coefficient of kinetic friction among block and surface is 0.15. The bullet comes to rest in the block, which moves 1.70 m.
The straight lines below represent parallel equipotential planes. Which region has the highest electric field strength
What is the magnitude of displacement
Mercury is approximately a sphere of radius 2.43 x 106 m. What is its circumference in kilometers and What is its surface area in square kilometers
An unknown length of platinum wire is 0.920 millimeter in diameter is used as the unknown resistance in the Wheatstone bridge. Determine how long is the platinum wire
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