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An object with a mass of 13 kg is hung from a spring with a spring constant of 55.8 N/m. How far does the spring stretch from equilibrium when the mass is at rest and not moving? Answer in meters.
A thin sheet of transparent material has an index of refraction of 1.80 and is 24.0 µm thick. how many fringe shifts occur in the pattern
A 1940-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 32.2 m/s. At what angle is the hill inclined above the horizontal
The coordinate system has its origin at the center of the square. A point mass, m, of 4.21·102 g is placed at one corner of the square object, and the assembly is held in equilibrium by positioning the support at position
Air is heated at a rate of 50kW as it flows at a steady rate downwards through a vertical duct.The mass flow rate of air is 3 kg/s and at the inlet the air velocity is 25m/s.The outlet of the duct is 15 m below.Between the inlet and the outlet, th..
A vacuum gauge connected to a tank reads 30.0 kPa. If the local atmospheric pressure is 13.5 psi, What is the absolute pressure in units of psi
Standing waves are set up on two strings fixed at each end. The two strings have the same tension and mass per unit length, but they differ in length by 0.60 cm. Determine the beat frequency produced by the two standing waves
A particle of mass 9.81 g and charge 65.1 μC moves during a uniform magnetic field, in a region where the free-fall acceleration is -9.8 j m/s2without falling. The velocity of the particle is a constant 20.1 i km/s, which is perpendicular to the magn..
Two particles with Q1 = 50 µC and Q2 = 79 µC are initially separated by a distance of 2.4 m, What is the change in the electric potential energy
A 1.60 meter tall man lifts a 1.90 kilogram book from the ground therefore it is 2.10 meter above the ground. Find the potential energy of the book relative to the ground
A 23- bullet traveling 220 penetrates a 2.6block of wood and emerges cleanly at 155. how fast does it move after the bullet emerges
the hot dog cooker described in the chapter heats hot dog by connecting them to 91 v house hold electricity. a typical
Calculate the energy (in MeV) released when α decay converts thorium 228Th (atomic mass = 228.028715 u) into radium 224Ra (atomic mass = 224.020186 u). The atomic mass of an α particle is 4.002603 u.
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