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Two gliders, A and B collide on a level frictionless track. The mass of glider A is less than the mass of glider B. The final speed of glider A is greater than the final speed of glider B. After collision gliders move in opposite directions. Is the magnitude of the final momentum of glider A greater than, less than, or equal to the magnitude of the final momentum of glider B?
Differentiate this equation, q=qpcosωt to find the current in the LC circuit, and use q=CV to find the voltage. From these obtain the magnetic energy in the inductor and the electric energy in the capacitor, and sum to show that the total energy rema..
A classroom slide projector projects an enlarged (55 times taller) image of a 24 mm high photographic film onto a screen located 10 meters from the projector. What focal length lens (cm) does slide projector require to produce a sharply focus imag..
consider two observers jane and susan both in the vacuum region surrounding a 15 compact spherical object of
A 1.20-kg block of wood sits at the edge of a table, 0.782 m above the floor. What horizontal distance does the block cover before hitting the ground
A rectangular block of ice 12 m on each side and 1.2m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917kg/m3.
An electron is accelerated by a 4.5 kV potential difference. How strong a magnetic field must be experienced by the electron if its path is a circle of radius 5 cm.
A cook puts 8.20 g of water in a 2.00-L pressure cooker that is then warmed to 470°C. What is the pressure inside the container
What is the pressure change for water that flows through a steel pipe of diameter 0.15 m at a velocity of 2 m/s? If the flow were laminar regime what would be the pressure change? How much energy per mass is required to pump the fluid in turbulent..
A waterpipe of radius 0.02 m delivers water at a flow rate of 0.01m^3/ s^1 at 20 degrees C. What is the average velocity of the water
A stargazer has an astronomical telescope with an objective whose focal length is 185 cm and an eyepiece whose focal length is 1.20 cm. what is the best angular magnification the stargazer will be able to achieve
A woman stands 2.0 m in front of a convex mirror and notices that her image height is 1/4 of her actual height. Determine the radius of curvature of the mirror
An isotope of beryllium with an atomic mass of 7.017u emits a gamma ray and recoils with a speed of 2.19m/s. find the wavelength of the gamma ray
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