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A 14 g bullet strikes and becomesembedded in a 1.30 kg block of woodplaced on a horizontal surface just in front of the gun. If thecoefficient of kinetic friction between the block and the surfaceis 0.23, and the impact drives theblock a distance of 9.1 m before itcomes to rest, what was the muzzle speed of the bullet?
Find the frequency of revolution of an electron with an energy of 500 eV in a magnetic field of 41.0 µT. Hz (b) Calculate the radius of the path of this electron if its velocity is perpendicular to the magnetic field. m
A stretched string fixed at each end has a mass of 40g and alength of 8.00m. The tension in the string is 49.N, What is the vibration frequency for this harmonic
A proton and an electron are fixed in space with a separation of 911 nm. Calculate the electric potential at the midpoint between the two particles, Find the potential and the magnitude of the force.
Two automobiles, each of mass 900 kg, are moving at the same speed, 15 m/s, when they have an inelastic collision.(a) In what direction and at what velocity does the wreckage move if one car was driving north and one south? (b) In what direction a..
A 210-kg load is hung on a wire of length of 4.80 m, cross-sectional area 2.00 10-5 m2, and Young's modulus 8.00 1010 N/m2. What is its increase in length
A pendulum bob with mass of 3.0 kg is suspended from an ideal string a distance of 3.5 m from the ceiling. A 0.004 kg bullet is fired horizontally at a speed of 6.91x103 m/s and imbeds itself in the bob.
q1. the potential difference between the plates of a capacitor is 70 v. midway between the plates a proton and an
The blood flow rate through the aorta is typically 95 cm3/s, and a typical adult has about 5.1 liters of blood. what is the speed of blood as it flows through the aorta
Given that the number of electrons per volume in aluminum is 3.01x10^56 electrons/m^3, determine the valence number (number of free electrons per atom)
A fisherman reels in 12 of line while landing a fish, using the constant forward pull of 35. How much work does the tension in the line do on fish.
Illustrate what is the general rule for recognizing property taxes as revenue? Explain how are property taxes accounted for differently in the governmental fund statements as opposed to the government wide statements?
A 1.5 m cylinder of radius 1.1 cm is made of a complicated mixture materials. Its resistivity depends on the distance x from the left and obeys the formula p(x)=a+bx^2, What is the resistance of the rod
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