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a 200g mass lying on a frictionless table is attached to a horizontal spring with a spring constant of 400 N/m. The spring is stretched a distance of 40 cm (0.40m). what is the initial potential energy of the system? what is the kinetic energy of the system when the mass returns to the equilibrium position after being released?
A square loop is rotating around it's vertical axis in a magnetic field of strength B = 0.06 T as shown in View , calculate the current flowing in the loop
Suppose 1.0 mol of a monatomic ideal gas initially at 6.5 L and 290 K is heated at constant volume to 570 K, find the net energy entering the system (the gas) as heat
A hydrogen atom has a radius of about 0.05 nm. estimate the electron's kinetic energy in three dimensions.
Two small charges with a mass of 1.0 g each are connected by a 2.0 cm long insulating rod of negligible mass. Calculate the magnitude of the torque exerted on the rod by the electric field
A particle starts from the origin at t=0 with an initial velocity having an x component of 27.8 m/s and a y component of -13.6 m/s, Find the magnitude of the displacement vector of the particle after 12.3 s
An object is launched upward with initial velocity 10.0m/s. What maximum height can it reach
A 2.4 kg breadbox on a frictionless incline of angle %u03B8 =43 is connected, by a cord that runs over a pulley, What is the speed of the box when it moves 10 cm down the incline
Five thousand joules of heat is put into a Carnot engine whose hot and cold reservoirs have temperatures of 490 and 270 K, respectively. How much heat is converted into work
The distance to a star is approximately 4.2e18 m. If this star were to burn out today, How long does it take for sunlight to reach Jupiter
question1the position of a particle moving along an x axis is given by x 12t2 - 2t3 where x is in meters and t is in
Air at 1200 K, 500 kPa expands in a polytropic process, n = 1.7, to 100 kPa. What is the final temperature and the specific work performed by the gas
Use the following values for mass and charge: an electron has mass me = 9.11×10-31 kg and charge -e, What is the kinetic energy of the electron in units of eV
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