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Consider an ideal spring that has an unstretched length l and a spring constant k. Suppose the spring is attached to a mass m that lies on a horizontal frictionless surface. The spring-mass system is compressed a distance of x_0 from equilibrium and then released with an initial speed v_0 toward the equilibrium position.
What is the maximum distance the spring will be stretched?
A positive charge Q = 6400.00 C is uniformly distributed over the volume of a sphere of radius R =1.50 m. Assume a spherical cavity of radius R/2 is cut out of the solid sphere, the center of the cavity being a distance R/2 from the center of the ori..
A box full of books rests on a wooden floor. The normal force the floor exerts on the box is 236 N. (a) You push horizontally on the box with a force of 129 N, but it refuses to budge.
An atom originally in an energy level with E = -8.85 eV absorbs a photon that has wavelength 738 nm. What is the internal energy of the atom after it absorbs the photon/
the 20 g centrifuge at nasas ames research center in mountain view california is a horizonatal cylinderical tube 58 ft
A backpack full of books weighing 52 Newton rests on a table in a physics classroom. If the spring is pulled until it stretches 2 centimeter and the pack remains at rest, find the force of friction exerted on the backpack by table
One of the moons of a planet orbits at a distance of 9375 km from the center of the planet. what is the period of the moon
A spring (k =805N/m) is hanging from ceiling of an elevator, and a 5.0-kg object is attached to the lower end. By how much does the spring stretch (relative to its unstrained length) when the elevator is accelerating upward at a = 0.47m/s2.
A rod of length L and mass M is balanced in a vertical position at rest. The rod tips over and rotates to the ground with its bottom attachment to the ground never slipping. find the velocity of the tip just before it hits
The speed of a longitudinal wave in a mixture of helium and neon at 300k was found to be 758m/s. what is the composition of the mixture
An electric field of 11.0 N/C directed due north is superposed on an existing electric field of 15.3 N/C directed due east
A 5.0 kg hanging weight is connected by a string over a pulley to a 9.0kg block sliding on a flat table. If the coefficient of sliding friction is 0.20; what is the rate of acceleration of the system?
question a 200 gram metal block absorbs 1500 joules of heat and its temperature changes by 150 degrees celsius. what is
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