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A lamp which is 9.0 cm tall is in front of a concave mirror which has a focal length of 53.0 cm.
(a) How tall is the lamp's image if the lamp is a distance of 26.5 cm from the mirror (include sign if negative)?
(b) How tall is the lamp's image if the lamp is a distance of 63.6 cm from the mirror (include sign if negative)?
(c) How tall is the lamp's image if the lamp is a distance of 111.3 cm from the mirror (include sign if negative)?
A bowling ball of mass 1 kg, drops onto a spring from 0.2 meter height. The spring constant is also 1. What is the velocity when the ball hits the spring
Consider the transitions 3d -->2p in hydrogen. Calculate the possible energies of emitted photons, How many photon lines are there
A sample containing beryllium (atomic mass 9 u), aluminum (27 u), and an unknown element is placed in a mass spectrometer. What is the mass of the unknown element
q1. a 130 block on a frictionless table is firmly attached to one end of a spring with 40. the other end of the spring
A certain conductor has 7.60 1028 free electrons per cubic meter, a cross-sectional area of 4.00 10-6 m2, Find the drift speed of the electrons in the conductor
A car turns around a level ben of radius 12 m to the center of gravity of the car. What is the fastest speed the car can travel at without tending to overturn
The Flux of the E-Field is a scalar. If the net charge enclosed by a Gaussian Surface is zero, then byGauss' Law, the E-Field is zero at all points on the surface.
an unknown number of moles of an ideal monoatomic gas expand reversibly from vi 2.50 m3 to vf 3.20 m3 at a constant
The allowed energies of a simple atom are 0.0 eV, 4.5 eV, and 7.0 eV. What is the minimum speed the electron could have after the collision
Find out the magnitude of the acceleration of the electron. How large is the pulling force it the wagon is moving with a constant speed.
If a cell’s membrane thickness doubles but the cell stays the same size, how do the resistance and the capacitance of the cell membrane change?
Solar energy is incident on the pond at an average rate of 400 . If the water absorbs all the solar energy and does not exchange energy with its surroundings, explain how many hours will it take to warm from 15 to 25 ?
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