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The Atwood machine in the figure consists of masses m1 = 1.20 kgand m2 = 1.05 kg and a solid pulley with a diameter of 6.1 cm and amass mp = 0.606- kg. When released from rest, what is the speed of the heavier mass after it has fallen a distance of1.05 m? Treat the pulley as a uniform disk.
A 70 kg human body typically contains 140 g of potassium. Potassium has a chemical atomic mass of 39.1 u and has three naturally occurring isotopes.
A rifle fires a bullet of mass 0.0350 kg which leaves the barrel with a positive velocity of 304 m/s. At what velocity does the rifle recoil
A stick of dynamite explodes into two pieces of masses of 3.0 kg and 2.0 kg. how far does the other piece slide
A newly discovered planet has a mean radius of 1350 km. A vehicle on the planet\'s surface is moving in the same direction as the planet\'s rotation, what is the period of the planet\'s rotation
A loudspeaker of mass 19.00 is suspended the distance of = 1.80 below the ceiling by two cables that make equal angles with the ceiling. Each cable has the length of = 3.50. What is the tension in each of the cables.
An outboard motor for a boat is cooled by lake water at 14.7°C and has a compression ratio of 14.9. Assume that the air is a diatomic gas. Calculate the efficiency of the engine's Otto cycle
The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Each particle has a mass of 1.67 10-27 kg, Estimate the density of the nucleus of an atom
A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. Find the minimum inductance of the tank circuit
A disk of mass M and radius R is initially at rest. It is acted upon by a constant torque N for a time t. what was the minumum power rating of the motor
A hydrogen atom is in its second excited state, n=3. Find the total energy of the atom
Calculate the edge length of a cube that has the same volume as a sphere of radius 4.0 cm. How much greater is the surface area of the cube than that of the sphere
Three capacitors with capacitances C1 = 2.9 nF, C2 = 3.1 nF, and C3 = 1.7 nF are wired to a battery with V = 14.3 V, What is the potential drop across capacitor 2
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