A beam of initially unpolarized light of intensity 209 W/m^2 passes through two polarizing filters in sequence, emerging from the second filter with an intensity of 88 W/m^2. What is the angle between the axes of the first and second filters?       23.4 degrees     49.5 degrees     62.7 degrees     14.0 degrees

Q: Problem 3: A flat, circular disk of radius R is uniformly charged with to- tal charge Q. The disk…

A: a) The length of the hatched section is given by radius×angle subtended at center=r×ωdt and its…

Q: upward, is clamped to the top of a vertical spring. The bottom of the spring, whose spring constant…

A:

Q: Given the following vectors: A = -3i; B = i-3j+5k; and C = 7i-15j (i)Find the magnitude and…

A:

Q: The last unicorn runs off the top of a wall at a speed of 13 m/s. The wall is 7 meters high. How far…

A:

Q: The drawing shows a skateboarder moving at 6.70 m/s along a horizontal section of a track that is…

A: Given,Initial velocity of the skateboarder, u = 6.7 m/sTrack ends at a height from the ground =…

Q: Suppose & = 9.00 V, R₁ = 220 S2, and R₂ = 340 2. (Figure 1) Figure R₁ ww

A:

Q: Consider two pendulums, Pendulum 1 with length L and Pendulum 2 with length 2L. How does the period…

A: Solution:- 1) The time period of oscillation of a simple pendulum is given by T = 2π(L/g)1/2 Here,…

Q: Two ice cubes are placed in a cup, and the cup is filled to the rim with water. As the ice cubes…

A:

Q: 3. Find the the current through the Galvometer (old version of Ammeter) in the following circuit.…

A:

Q: Model Mass Initial Velocity Final Velocity Speed Limit Road Conditions Time of Day Lamborghini…

A: Given Data, Mass of car A mA=1550 kg Mass of car BmB=2100 kg Initial velocity of car B uB=0 mph…

Q: A person kicks a soccer ball with an initial velocity vector whose orientation is 53 degrees above…

A:

Q: A short bar magnet placed with its axis at 30° with a 0.25 T equal to uniform external magnetic…

A: Given data:  Angle (θ) = 30° Magnetic field (B) = 0.25 T Torque (τ) = 4.5×10-2 J Required: The…

Q: In your own word, discuss the interrelationship of heat, temperature, and energy in relation to…

A:

Q: a uniform meter(1.00 -m long) has a mass of 0.82 kg. It is hung on the wall with a nail through a…

A:

Q: A 2.1 kg block is acted upon by a variable horizontal force F(x) = 29.0−5.0x, where the force is…

A: If the net combined work of external force and friction force is zero then we have:…

Q: object of mass m = 1.00 kg is observed to have an acceleration of with a magnitude of 19.9 m/s2 in…

A:

Q: You tie two different strings together and attach them to a wall very far away (see picture; wall…

A:

Q: A pitcher throws a 0.200 kg ball so that its speed is 11.0 m/s and angle is 35.0° below the…

A: Given:-  The mass of the ball is m = 0.200 kg  The speed of the ball is u = 11.0 m/s and the angle…

Q: Find the displacement when the car moved from A to B yo C? WEST ←+ 20 mi C 10:30 AM H 0 mi 10 mi A…

A: Displacement is the shortest/minimum distance between the initial and final positions of the moving…

Q: The figure shows a series ac circuit. The inductor has a reactance of 80 Ohm and an inductance of…

A:

Q: A truck is traveling at 13.1 m/s down a hill when the brakes on all four wheels lock. The hill makes…

A: Draw the free-body diagram of the truck.

Q: A conducting rod slides over two horizontal metal bars with a constant speed v to the left. The…

A:

Q: please explain also. Which is correct if a diver curls up on diving to do flips at the top, then…

A: As there is no external torques on the diver during the motion (the force of gravity acts on the…

Q: Boy A and Boy B are playing catch again. But this time, they leveled up. The apartment unit of Boy A…

A: If an object is moving in a straight line and the object is moving with a constant acceleration, we…

Q: Suppose a point moves along a circle with radius R as shown in the figure below. The point travels a…

A: Given data, r is the radius. s is the distance.

Q: Three pucks with masses m₁ = 25.0 [g], m = 50.0 [g], and me = 75.0 [g] approach the origin as they…

A:

Q: What defines the center of gravity of a rigid body, and how is it related to the center of mass?

A: Centre of gravity of a system is that point on which entire weight of the body or system can be…

Q: basketball (hollow sphere) starts from rest and rolls down a hill without slipping. The hill is 70…

A:

Q: Q3: Find V, 0.5 V. 4 ΚΩ + V₁ +- 18 V Vx Μ 8 ΚΩ 8 ΚΩΝΣΤΙΤΟΥΤΟ Μ + + ) 50 V

A:

Q: Two objects of masses m and 8m are moving toward each other along the x-axis with the same initial…

A:

Q: The two parallel plates shown below create a uniform electric field. A proton is travelling due east…

A: The potential difference V=V1-V2=825-125=700 Volts

Q: You have designed and constructed a solenoid to produce a magnetic field equal in magnitude to that…

A: Given data:  Magnetic field (B) = 5.0×10-5 T Number of turns (N) = 400 Length (L) = 30 cm = 0.30 m…

Q: (8') Show your answers in the following figures. You use words to explain your answers clearly. Two…

A:

Q: both parts of the following problem (initial kinetic energy + initial gravitational potential energy…

A:

Q: The weight of passengers on coaster increases by acceleration due to gravity is 9.80 m/s2? Submit…

A: Given Weight is increases by 40% at bottom of the dip. Radius = r = 25 m We have to calculate speed…

Q: Pressure cookers have been around for more than 300 years, although their use has strongly declined…

A:

Q: object of mass 3.0 kg is dropped from a certain height. Just before it strikes the ground it has a…

A: According to conservation of energy Total energy of isolated system remains constant.

Q: A brick lies perilously close to the edge of the flat roof of a building. The roof edge is 50 ft…

A: Given data: The height, h=50 ft The height , h=35 ft The potential energy = 260 J

Q: Question 4 An airplane wants to drop a box of mass 100 kg to an island. The box was released at…

A: 1) The gravitational force acts towards the ground i.e. along the negative y-direction. Fg=mgFg=(100…

Q: A charged particle of mass 1 microgram and charge 10 nC with velocity 2,000 m/s enters the center of…

A: Solution:-

Q: Part (b): Watts, volts, and ohms are SI units that can be expressed in the 'base' SI units as…

A: We will have to start with the equation watt=volt2ohm

Q: 2. A block of mass m = 3.0 kg is acted on by a force with a magnitude of |F| = 25 N that acts at…

A:

Q: A laser emits a beam of monochromatic light with frequency 5.78 x 10^14 Hz. What color is the laser…

A: Calculate the wavelength of beam using the formula: λ=cν where c is the speed of light and ν is its…

Q: Question 4 Ariyana is studying sound waves and radio waves for a presentation in class. Which of…

A: Option A is incorrect, as we know that the sound wave is compressible whereas the radio wave is…

Q: A man pushes a lawn mower on a level lawn with a force of 210 N. If 40% of this force is directed…

A: Work done = force component in direction of displacement × displacement

Q: The record for the deepest free-dive (diving without an oxygen tank) is 253 m. What is the absolute…

A:

Q: 110-kg box is loaded into the trunk of a car. If the height of the car’s bumper decreases by 13 cm,…

A:

Q: The Johnsons just received a heavy package (perhaps a treadmill) in the mail that they ordered from…

A:

Q: A proton is released from the rest at the positive plate of a parallel plate-capacitor. It crosses…

A:

Q: Determine the acceleration experienced by the crate in m/s2.

A: