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A light ray in air is incident on a water (n = 1.333) surface at a 65.0° angle of incidence. Find
(a) the angle of reflection and
(b) the angle of refraction.
A zoom lens has a focal length that varies from 30 to 200 mm. Which setting will make the subject look the largest Which setting will include the widest angle of field
A long solenoid (cross-sectional area = 0.85 x 10-6 m2, number of turns per unit length = 1878 turns/m) is bent into a circular shape so it looks like a doughnut, Find the emf induced in the toroid
an electron in an x-ray machine is accelerated through a potential difference of 1.00 X 10^4 V, What is the kinetic energy of the electron
Some nucleus of 74X189 (atomic mass = 188.96191 u) undergoes - decay to become 75X189 (atomic mass = 188.95922 u). What is the energy (in MeV) released in this process
What is the focal length of the contact lenses that will enable him to see distant objects clearly
For the circuit shown in the following figure both meters are idealized, the battery has no appreciable internal resistance, and the ammeter reads 1.19 A. What does the voltmeter read
A 2100 kg car moving east at 10 m/s collides with a 3000 kg car moving north. The cars stick together and move as a unit after the collision, at an angle of 35 ° north of east and at a speed of 5.03 m/s. Find the speed of the 3000 kg car before th..
Two identical conducting spheres, fixed in place, attract each other with a force of 0.094 N when their center to center separation is 60.00 cm. What was the initial negative charge on one of the spheres
A football player tests his vertical jump by jumping straight up a distance of 47.9 inches. What was the player's initial velocity in meters per second
A uniform magnetic field of magnitude 0.80 T is directed perpendicular to the plane of a rectangular loop, calculate the magnetic flux through the loop
Evaluate what is the distance between the two dark fringes on either side of the central bright fringe?
You are part of a search-and-rescue mission that has been called out to look for a lost explorer. What minimum speed must the rocket have
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