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A tank of water sits at the edge of a table of height 0.9 m. The tank springs a very small leak at its base, and water sprays out a distance of 0.7 m from the edge of the table. What is the water level h in the tank? (Assume the tank is open to the air at the top.)
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 61.22 diopters, How far is the blackboard from her eyes
Two balls of masses Ma= 45 g and Mb= 65 g, are suspended. The lighter ball is pulled away to a 66 degree angle with the vertical and released. What is the velocity of the lighter ball before impact
A student throws a 100g snowball at 7.5m/s at the side of the schoolhouse, where it hits and sticks. What is the magnitude of the average force on the wall
The critical angle for total internal reflection for glycerine surrounded by air is 42.9°. Calculate the index of refraction of the substance
A ray of light is incident on a flat surface of a block of cubic zirconia that is surrounded by water. obtain the angle of reflection
A basketball leaves a player's hands at a height of 2.20m above the floor. what is the range of initial speeds allowed to make the basket
an electron and a proton are each accelerated through a potential difference pf 10.0 million volts. Find the momentum ( in MeV/c) and the kinetic Energy ( in MeV) of each and compare with the results of using the classical Formular.
Calculation of the ground state of one-dimensional harmonic oscillator using variational Monte Carlo method and How do you know the minimization is good enough?
Would a plucked guitar sting vibrate for a longer time or a shorter time if the instrument had no sounding board? explain.
A Carnot engine takes in heat from a reservoir at 470°C and releases heat to the lower-temperature reservoir at 200°C. What is its efficiency.
Find the direction of the net force exerted on the Sun. Give the direction relative to the line connecting the Sun and the Moon
A marble moving 1.48 m/s rolls off the top edge of a 125. cm high table. How far from the base of the table did it strike the floor
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