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A 0.80m -long metal rod is dropped vertically onto a marble floor. When the rod strikes the floor, it is determined electronically that the impact produces a 5kHz -tone.
What is the speed of sound in the rod?
v=______ m/s
Use the blackbody radiation law to estimate the wavelength of maximum intensity for the light from the sun's photoshere
The electric potential at x = 3.0 m is 120 V, and the electric potential at x = 5.0 m is 190 V. What is the electric field in this region, assuming it's constant? -140 N/C 140 N/C -35 N/C 35 N/C 75 N/C.
A 21.5 µF spherical capacitor is composed of two metallic spheres, one having a radius twice as large as the other, determine the volume of this region
questionthink the sun to be at the origin of a xy-coordinate system. a telescope spots an asteroid in the xy-plane at a
A long thin solenoid has 55 turns/cm and carries a current of 0.212 A. The solenoid is filled with iron and the magnetic field is measured to be 1.49 T.
If a dielectric material with ? = 3.80 is inserted so that it fills the volume between the plates (with the capacitor still connected to the battery), how much additional charge will flow from the battery onto the positive plate
In two different cases, two blocks are sliding to the right across a horizontal surface. In Case A the mass of each block is 3.9 kg. determine the magnitude of the acceleration of the blocks
Your 2.20 kg physics book rests on a horizontal tabletop. Find the normal force on the book. Suppose you pull up on the book with a 15.0 N force
Two metal balls A and B of negligible radius, connected by a taut nonconducting thread of length 2.90 m, are floating at rest on Space Station Freedom between two metal bulkheads.
List all the possible set of quantum numbers for a hydrogen atom with n=3. What is the electrons total energy
After the skier on the hill had been moving for 5.0 s, friction of the snow suddenly increasedmaking the net force on the skier zero. what is new coefficient of friction? how fast would the skier now be going after skiing for 5.0s.
A baseball player hits a double and ends up on second base. A baseball "diamond" is a square, each side of length 27.4 m, What is the magnitude of the player's displacement
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