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A mass is attached to a spring of spring constant 60 N/m along a horizontal, frictionless surface. The spring is initially stretched by a force of 5.0 N on the mass and let go. It takes the mass 0.50 second to go back to its equilibrium position when it is oscillating. Evaluate what is the amplitude?
A water line with an internal radius of 5.06 x 10-3 m is connected to a shower head that has 12 holes. The speed of the water in the line is 1.18 m/s. What is the volume flow rate in the line
A rock is thrown vertically upward with a speed of 19.0m/s from the roof of a building that is 70.0m above the ground. Assume free fall. What is the speed of the rock just before it strikes the ground?
A 12.0 kg box resting on a horizontal, frictionless surface is attached to a 5.00 kg weight by a thin, After the system is released, find the horizontal tension in the wire
A 25 kg trunk strikes the ground with a speed of 12.5m/s. if no energy is lost from air resistance, what is the height from which trunk fell.
neutral particle a neutral particle is at rest in a uniform magnetic field b. at time t 0 it decays into two charged
Consider a spherical Gaussian surface which surrounds two electric charges (+Q), What is the net electric flux through the Gaussian surface
A particle of mass 4.47 × 10?27 kg, moving at 9.46 × 105 m/s, strikes an identical particle which is initially at rest. What are the final speeds of the particles
A 0.141 kilogram glider is moving to the right on a frictionless, horizontal air track with a speed of 0.850 m/s. Compute the magnitude of the final velocity of the 0.309 kg glider
A standard 100 W (120 V) lightbulb contains a 7.70cm-long tungsten filament. What is the diameter of the filament
10 gram of dry ice (solid CO2) is located in a 2.0×104 cm3 container, then all the air is quickly pumped out and the container sealed. Evaluate the final temperature of the gas
A 240 N sphere 0.20 m in radius rolls, without slipping 6.0 m downa ramp that is inclined at 28 degrees with the horizontal. What is the angular speed of the sphere
A crude model of the human vocal tract treats it as a pipe closed at one end. Find the effective length of the vocal tract in a person whose fundamental tone is 550Hz . Sound speed in air at body temperature is 354 m/s.
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