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A 1.30-kg ball, moving to the right at a velocity of +4.52 m/s on a frictionless table, collides head-on with a stationary 8.40-kg ball. Find the final velocities of
(a) the 1.30-kg ball and of
(b) the 8.40-kg ball if the collision is elastic.
(c) Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic.
Two converging lenses (f1 = 9.00 cm and f2 = 6.00 cm) are separated by 18.0 cm. The lens on the left has the longer focal length. Locate the final image relative to the lens on the right
An electron is at rest just above the surface of a sphere with the radius of 1.90 mm and a uniformly distributed positive charge of 2.1 x10-15 C.
air traffic controllers usually describe the position of an aircraft relative to the airport by altitude, What are the x, y, and z components (in meters) of hte position vector
What mass (in grams) of steam at 100 °C must be mixed with 287g of ice at its melting point, in a thermally insulated container, to produce liquid water at 65°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, an..
What is the time constant of a 9.50 thick membrane surrounding a 4.0×10-2 diameter spherical cell? Suppose the resistivity of the cell membrane as and the dielectric constant is approximately 9.00.
Block A in the figure weighs 1.60 N and block B weighs 3.10 N. The coefficient of kinetic friction between all surfaces is 0.300. Illustrate what is the friction force on block A?
A 1500 kg car traveling at a speed of 20 m/s skids to a halt on wet concrete where kinetic friction= 0.20. How far are the skid marks.
Fred and Barney are two electric charges that are initially held 1 meter apart and experience an electric repulsion of 10 pounds of force. What would be the force of repulsion between them be if the two were moved closer together so that they were..
A radio station broadcasts at a frequency of 600,000 Hz. Know that radio waves have a speed of 3.00 x 10^8m/s, what is wavelength of these waves.
A bat emits a sound whose frequency is 91.20 kHz. The speed of sound in air at 20 degrees Celcius is 343m/s. However the air temperature is 38.8 degrees Celcius, so the speed of sound is not 343m/s. imagine that air behaves like an ideal gas, and ..
On a frictionless surface, a 3-kilogram cart moves at a velocity of 2 meters per second west, What is this slower speed
You can turn the crank at a maximum rate of 3 turns per second, but hand crank is connected to the coil through a set of gears that makes the coil spin at a rate 6 times larger than the rate at which you turn the crank. What is the maximum emf you ca..
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