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In a certain material, light travels at a speed of 2.00 x10 8 m/s. If the reflected light is polarized, what is the angle of A) reflection, B) refraction and C) incidence? Suppose the incoming ray is in air.
An infinitely long line of charge has a linear charge density of 5.00×10−12 C/m. A proton is at distance 19.0 cm from the line and is moving directly toward the line with speed 2000 m/s. Explain how close does the proton get to the line of charge?
A typical set of stairs is angled at 38 degrees. You climb aset of stairs at a speed of 3.6 m/s. How much height will you gain in 5.0 s? How much horizontal distance will you cover in 5.0 s?
two 5 gram spheres are each suspended from a pin by a 40 cm long non-conducting thread. if the spheres are separated
a solenoid 1.50 m long and 2.80 cm in diameter carries a current of 13.0 a. the magnetic field inside the solenoid is
To make ice, a freezer that is a reverse Carnot engine extracts 50 kJ as heat at -15°C during each cycle, How much work per cycle is required to run the freezer
In the H atom the radius of orbit B is 16 times greater than the radius of orbit A. What is the total energy of the electron in orbit B
the first-order line of 571 nm light falling on a diffraction grating is observed at a 17.9 deg angle, at what angle will the third order be observed
a projectile is fired with a speed of v 60 ms at angle of 60 degrees. a second projectile is then fired with the same
sunspots vary in number as a function of time exhibiting an approximately 11 year cycle. galileo made the first
Consider a generator with a 300 turn coil on its armature and a uniform magnetic field of 5.4 T. The diameter of the coil is 5.0 cm. how fast do we need to rotate the coil
The 2.0 cm diameter coil shown below has 25 turns and has a current flowing through it of 5.00 A. What is the average change in flux (25 turns) going from 30 to 90 degrees
Birds resting on high-voltage power lines are a common sight. The copper wire on which a bird stands is 2.5 cm in diameter and carries a current of 48 A. calculate the potential difference between its feet
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