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Please solve the following questions given below. You must show all work for full/partial credit. Question 1) An antenna is connected to a car battery. Will the antenna emit electromagnetic radiation? Why or why not? Explain. Only consider steady state, that is after the connection is made and not during initial or final disconnection. Question 2) A light-year is a measure of distance (not time). How many meters does light travel in a year? Question 3) How long does it take a laser beam to travel to the Moon and back? Take the Earth Moon distance to 384,000 km.
Question 4) A beam of light is incident on a plane mirror at an angle of 35o. If the mirror rotates through a small angle through what angle will the reflected ray rotate? Question 5) The speed of light in polythene is 1.99 x 108 m/s What is the index of refraction of polythene? Question 6) A beam of light with red and blue components of wavelengths 670 nm and 425 nm, respectively, strikes a slab of fused quartz at an incident angle of 30o. On refraction, the different components are separated by an angle of 0.001312 rad. If the index of refractions of the red light is 1.4925, what is the index of refraction of the blue light? HINT: Be sure you convert radians to degrees to use Snell's Law.
A roller-coaster car moves 177 ft horizontally and then rises 139 ft at an angle of 30° above the horizontal. It then travels 139 ft at an angle of 40° downward. What is its displacement from its starting point? Use graphical techniques.
An ideal gas undergoes the process a - b - c. Pa = pc = 200. kPa, Vb = Vc = 40.0x10-3m3, and Pb = 400.kPa. How much work is done by the system in this process
A parallel plate capacitor has a charge of 2.66X 10^-11 C after being charged by a 15 V battery. The plates are seperated by 2.0 mm of air
A partially evacuated airtight container has a tight-fitting lid of surface area 81.7 cm2 and negligible mass. what is the air pressure in the container before it is opened
A particle possessing 8.25 uC of charge and mass 8.55 g is fired at a speed of 255 cm/s through two charged plates of length 34.6 cm, calculate the distance y in which the charge falls below its intended path
The only two forces acting on a body have magnitudes F1 and F2 and directions that differ by an angle ? (in radians). what is the mass of the body
A power supply maintains a potential difference of 86.1 V across a 1070-? resistor. What is the current in the resistor
An airplane propeller is 1.95m in length (from tip to tip) with mass 122kg and is rotating at 2500rpm(rev/min) about an axis through its center. What would its angular speed have to be, in rpm
a 70-kg bicyclist coasts down a hill that makes a 10degree angle with the horizontal at a speed of 10 ms.a if the drag
question1the overall gain of an stm controller is 10000x equivalent to40db where db10log10 at low frequencies. if piezo
A size-5 soccer ball of diameter 22.6 cm and mass 426 g rolls up a hill without slipping, reaching a maximum height of 7.00 m above the base of the hill. At what rate was it rotating at the base of the hill
A small coil has a cross section of 5.0 cm2 and consists of 8 turns of wire. what is the torque required to hold the loop at right angles to a field of B = 0.010 T
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