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A bullet of mass 6.3 g is fired horizontally into a 1.2 kg wooden block at rest on a horizontal surface. The coefficient of kineticfriction between block and surface is 0.25. The bullet stops in the block, which slides straight ahead for 2.7 m (without rotation). (a) What is the speed of the block immediately after the bullet stops relative to it? (b) At what speed is the bullet fired?
a closed Gaussian surface in the shape of a cube of edge length 2.03 m. What is the net charge (in Coulombs) contained by the cube
two moles of an ideal gas at 400 K expand quasi-statically and isothermally from an initial volume of 31.0 L to a final volume of 86.0 L. What is the entropy change of the universe for this process
A fruit fly 2.16 mm long is examined with a simple magnifier. What is the focal length of the magnifier
A spherical ball with a radius of 2.660×10-1 m is completely submerged in a fluid that has a density of 1.081×103 kg/m3. What is the volume of the fluid displaced by the ball? What is the weight of the fluid displaced by the ball?
Utilizing an information provided in your course text, complete the "Motivation Concepts Table." This table will serve as a convenient quick reference for the remainder of the course.
A 4.55 mol sample of a diatomic ideal gas (? = 1.4) expands slowly and adiabatically from a pressure of 4.10 atm and a volume of 11.5 L to a final volume of 30.0 L. What is the initial temperature of the gas
a particular sprinter reaches a horizontal acceleration of 13.4 ms2 out of the starting block. the starting block is
a person is standing outdoors in the shade where the temperature is 17 degc.a what is the radiant energy absorbed per
The Hamiltonian of a system of two (spin- 1/2) electrons, H= ?1?z1+?2?z2 where ?z is the Pauli Matrix, ? is an energy parameter and our subscripts represent the two electrons 1 and 2. What is the basis where this Hamiltonian is diagonal and what is t..
A certain parallel-plate capacitor is filled with a dielectric for which ? = 4.5. The area of each plate is 0.026 m2, find the maximum energy that can be stored in the capacitor
a camera lens n 1.50 is coated with a thin film of potassium bromide n 1.56 of thickness 87.9 nm. what wavelength in
An astronaut tries to talk his way out of a traffic violation for running a red light (? = 670 nm) by telling the judge that the light appeared green (? = 540 nm) to him as he passed by in his expensive sports car. If this is true, how fast was the a..
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