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A small object is 10 cm to the left of a converging lens (f = +5 cm), and a second diverging lens (f = -3.3 cm) is 5.8 cm to the right of the first. Find the position and magnification of the final image by calculationPosition =Magnification =
A particular Bohr orbit in a hydrogen atom has a total energy of -0.54eV. What is the electric potential energy of the system
The helium atom has a volume of about 3x10^(-30) m^3. What fraction of a volume of helium gas at STP is actually occupied by molecules
What is least amount of work required by an external force
A Meteorite Strikes On October 9, 1992, a 27-pound meteorite struck a car in Peekskill, NY, leaving a dent 22 cm deep in the trunk. If the meteorite struck the car with a speed of 130 m/s , what was the magnitude of its deceleration, assuming it t..
A small lead ball, attached to a 1.50-m rope, is being whirled in a circle that lies in the vertical plane. to what maximum height above the ground does the ball rise
The engine of a motorboat delivers 29.8 kw to the propeller while the boat is moving at 18.0 m/s . What would be the tension in the towline
A rock is dropped from a tree of height 25 m into a lake (depth 5.0 m) below. What is the total elapsed time
Engineers have developed a bathyscaph that can reach ocean depths of 5.3 mi. what is the absolute pressure at that depth
A doubly charged ion (charge 2e) with velocity 6.9 × 106 m/s moves in a circular path of diameter 60.0 cm in a magnetic field of 0.80 T in a mass spectrometer
A hoodlum throws a stone vertically downward with an initial speed of 11.1 m/s from the roof of a building, 26.0 m above the ground. What is the speed of the stone at impact
Race tracks use walls which will compress when a car hits them at a high rate of speed. Find the spring constant of the wall
A soccer player kicks a ball from ground level with an initial velocity of 25 m/s at an angle of 30° above the horizontal. What angle does the velocity vector make with the horizontal
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