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Two clay balls are moving toward each other along a common straight line. The one on the left has mass 3 kg and velocity 4 m/s. The one on the left has mass 2 kg and velocity 9 m/s. The balls collide and form a single ball of mass 5 kg and keep moving. Some kinetic energy is lost as heat in this process. Calculate this lost energy.
A coil is placed in a changing magnetic field and an emf is induced. What happens to the induced emf if the rate of change of magnetic field quadruples?
A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium at 10°C. Determine the specific heat of the unknown second sample
In mid-nineteenth century England horses were often used to pull barges along canals. What is the average power
Two infinite lines of charge with equal linear chargedensities l(C/m) are placed along the x and y axis. Derive an expression for the magnitude of the electric field at an arbitrarypoint (x,y).
a parallel-plate capacitor consists of two parallel square plates that have dimensions 1.0 cm by 1.0 cm. if the plates
Four identical point charges (+ 2.50 nC) are placed at the corners of a rectangle which measures 2.00m x 4.00m. If the electric potential is taken to be zero at infinity
A 5g bullet leaves the muzzle of a rifle with a speed of 320 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.81 m long barrel of rifle.
A fighterjet is launched from an aircraft carrier with the aidof its own engines and a steam powered catapult. What is the work done on the jet by the catapult
What is the charge on a 1.0 cm length of wire. What is the net force exerted on the skier.
A thin uniform rod (mass = 0.50 kilogram) swings about an axis that passes through one end of the rod and is perpendicular to the plane of the swing. Obtain the maximum kinetic energy of the rod as it swings
A parallel plate capacitor has plates that measure 13.5cm long by 9.75cm wide, if this capacitor is placed into a circuit with 9.50V applied to it, how much energy can the capacitor store
The right and left end wires of two circuits are separated by a distance d = 2 mm. If L = 13 cm, V1 = 14 V, V2 = 17 V, R1 = 1 ?, what is the resistance (in ohms) of R2
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