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A 1.8-kg collar A is attached to a spring of constant 800 N/m and can slide without friction on a horizontal rod. If the collar is moved 70 mm to the left from its equilibrium position and released, determine the maximum velocity and maximum acceleration of the collar during the resulting motion.
A 7 meter long run of 16 gauge wire which consists of a 4 meter long piece of aluminum wire piggy-backed to a 3 meter long piece of copper wire. Calculate the current in the aluminum segment
a sample consisting of 1.5 mol of perfect gas molecules with cpm= 20.8J/Kmol is initally at 230kPa and 315 K. calculate the final volume and temperature and work done
You start with 20 gallons of gasoline at 50 F. The temperature of the gasoline changes and the volume drops to 19.78 gallons. What is the temperature of the gasoline now
It's possible for a determined group of people to pull an aircraft. Drag is negligible at low speeds, Estimate the force with which each officer pulled on the plane
Infrared light of wavelength 2.5micrometers illuminates a 0.20-mm-diameter hole. What is the angle of the first dark fringe in radians
A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop?
A 1.5 kilogram block is at rest on a horizontal frictionless surface. The block is attached to a spring that is itself fixed to the wall. Find the speed of the bullet and block just after impact
an infinite sheet of charge that has a surface charge density of 22.5 nc m2 lies in the yz plane passes through the
A battery has an internal resistance of 0.60 ?. A number of identical light bulbs, each with a resistance of 9.6 ?, How many bulbs are connected
Consider the collision between two hockey pucks in the figure below. They do not stick together. What is the final velocity of the other puck
You throw a ball with a speed of 25.0 m/s at an angle of 40.0degrees above the horizontal directly toward a wall. How long does the ball take to reach the wall
Two workers are sliding a 440kg crate across the floor. One worker pushes forward on the crate with a force of 390N, What is the crate's coefficient of kinetic friction on the floor
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