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Estimate the size of the friction force on a baseball player sliding into second base. Assume a mass of 84 and uk = 0.42.
Assume that the blocks accelerate as shown with an acceleration of magnitude a= 0.550 m/s^2 and that the coefficient of kinetic friction between block 2 and the plane is μ= 0.400. Find out the mass of block 2, m2, when θ= 30.0.
A light wave has a 670{\rm nm} wavelength in air. Its wavelength in a transparent solid is 420{\rm nm}. What is the light's frequency in the solid
If the rms electric field of this light is 18.0{\rm N/C} at a distance of 1.15{\rm m} from the bulb, what is the average total power radiated by the bulb
Explain how fast would it be moving after it had fallen a distance of 0.010 m? (Assume that the gravitational force is constant over the distance of the fall, and that the star is not rotating.)
What voltage must be applied to the 5.00 µF capacitor of a heart defibrillator to store 600 J in it, Find the amount of stored charge
Iterates until convergence is reached (the previous guess for the velocities is not significantly different from the current guess and calculates the friction factor for the current guess of velocities.
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass and radius of orbit. The satellites fire rockets that provide force needed to keep a circular orbit around the space stat..
If an amount of heat Q_H is extracted from a hot reservoir (at temperature T_H) but is simply wasted by dumping into a cold reservoir, by how much has the entropy of the Universe increased
asssume that in a particular vacuum tube the potential of the anode is 340 V higher than that of the cathode. If an electron leaves the surface of the cathode with zero initial speed, what is its speed when it strikes the anode.
An air spaced parallel plate capacitor is connected to a 12 v battery. If a slab of pyrex glass is inserted between the plates filling the gap, find the new capacitance of the capacitor
n = 3.60 mol of Hydrogen gas is initially at T = 340 K temperature and pi = 3.32×105 Pa pressure, How much entropy did the gas emit
A coil of wire has a resistance of 38.0 ? at 25° C and 43.7 ? at 51° C. What is the temperature coefficient of resistivity
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