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A spring with spring constant 11.9N/m hangs from the ceiling. A ball is suspended from the spring and allowed to come to rest. It is then pulled down 11.0 cm and released. The ball makes 38.0 oscillations in 19.0 seconds.
a. What is the mass of the ball?
b. What is the velocity of the ball?
A helium-neon laser emits light of wavelength 632.8 nm and has a power output of 2.0 mW. How many photons are emitted per second by this laser
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a uniform rod of mass 2.75times10-2 and length 0.410 rotates in a horizontal plane about a fixed axis through its
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Tarzan swings on a 28.0-m-long vine initially inclined at an angle of 37.0° with the vertical. What is his speed at the bottom of the swing if he starts from rest
A 1.90-cm-high object is situated 12.8 cm in front of a concave mirror that has a radius of curvature of 10.4 cm, calculate the location and the height of the image
An unknown gas in a piston-cylinder device undergoes a three step process to complete a thermodynamic cycle. The first process is an isochoric process where 31.6 kJ of energy is added to the 37 L of the gas. Next, the gas is expanded isothermally unt..
The rms current through a light bulb is 0.947 A when the bulb is connected to a standard120 V rms source. Find the bulb's resistance. Find the peak instantaneous.
A long horizontal wire with linear mass density λ = 47.5×10−3 kg/m carries acurrent of 0.534 A. The wire is situated so that it is perpendicular to a uniform, horizontal magnetic field that is juststrong enough to levitate the wire against its weight..
Determine the enthalpy change and internal energy change of ammonia in J/mole, as it is heated from 350 K to 600 K, using the ideal gas heat capacity given by the Shomate Equation.
A thin, uniform, metal bar, 3m long and weighing80N , is hanging vertically from the ceiling by a frictionless pivot, Find the angular speed of the bar just after the collision
Density-Gravity Problem: a) Planet Vulcan has twice the mass of Earth and the same radius. What are its volume, density and surface gravity compared to Earth?
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