Light rays from the Sun, which is at an angle of 25.4° above the western horizon, strike the still surface of a pond. (a) What is the angle of incidence of the Sun's rays on the pond? (b) What is the angle of reflection of the rays that leave the pond surface? (c) What is the angle of refraction if the light rays go to the pond water and the refractive index of air is 1.00 and for water is 1.33? Explain with a diagram

Q: It is year 2120 and we have figure out a propulsion system that allows spaceships travel at…

A: speed of spaceship (v) = 0.87 c where "c" is the speed of light in vacuum distance of alpha centauri…

Q: Electric field is a function of Velocity O Time O Acceleration O Position

A: According to question we need to find---  electric field is a function of?

Q: Problem 6: A crate of mass m = 0.84 kg is on a frictionless incline that makes an angle of 0 P =…

A:

Q: Please don't write on a paper. I can't understand handwritten. 12. A tennis ball is thrown downward…

A:

Q: A billiard ball traveling with a velocity of 5.0 m/s hits another ball of the same mass, which is at…

A:

Q: 1. A wire that is 6.0 m long at 30°C is found to increase in length by 2.25 cm when heated to 700°C.…

A: Given(s): Original length, L0=6.0 m Change in temperature, ΔT=700-30=670 oC Change in length,…

Q: A block of mass m is moving with a constant acceleration 'a' on a rough horizontal plane. If the…

A:

Q: A diverging lens of focal length -12.4 cm is placed 40.0 cm from a converging lens of unknown focal…

A:

Q: The Instrument that measures pressure is called Your answer It is the colored part of the front eye…

A:

Q: R2 R3 100 2 300 S2 50 2 9 V. What is the total resistance of the circuit?

A: GivenR1=100 ΩR2=300 ΩR3=50 Ω

Q: A racing car passes one end of the grandstand at a speed of 15 m/sec. It slows down at a constant…

A:

Q: At the top of a giant swim on the gymnastics high bar, a gymnast’s velocity is 1 m/s, and the…

A:

Q: what are 10 applications of polarization in life

A: In this question we have to explain the application of Polarization. Please give positive feedback…

Q: What will be the momentum of a stone having mass of 14 kg when it is thrown with a velocity of 4 m/s…

A: Given data :                      Mass     =     m                  Velocity     =     V         To…

Q: A proton moves through a region containing a uniform electric field given by E = 35.0 ĵ V/m and a…

A:

Q: /s and is ejected southward entering a uniform magnetic field of unknown magnitude and direction. If…

A:

Q: 2 Å 2 kg ball is af vest when a havi zontal force 5 lu the abseuce ef frictione uhat 5 the speed of…

A:

Q: Sirius A has a luminosity of 26 Lsun and a surface temperature of about 9400 K. Part A What is its…

A: Given: The luminosity of Sirius is 26Lsun. The surface temperature is 9400 K.

Q: A car of mass 1000.0 kg moving at 20.0 m/s collides with a 5000.0 kg truck at the initial velocity…

A: Given, mass of the car, m = 1000.0 kg velocity of the car before collision, u1 = 20.0 m/s mass of…

Q: 1. Starting from rest, an elevator weighing 8.9kN attains an upward velocity of 5m/s in 4 seconds…

A: Given: The weight of the elavator is 8.9 kN. The initial velocity of the elevator is 0 m/s. The…

Q: by use Positive lens O false O true

A: A convex lens is also called a positive lens, since the focal length is positive, whereas a concave…

Q: A student is pulling her wagon along a flat level ground with a 50.0N force 30 degrees above the…

A:

Q: Find the potential at the center of curvature of the (thin) wire shown in the figure below. It has a…

A:

Q: A combination of three resistors R1, R2, and R3 in series is connected across a voltage source VȚ.…

A:

Q: (a) What is continuity equation and where can it be useful? (b) A garden hose of inner radius 1.4 cm…

A:

Q: Four positive charges with magnitudes indicated below are placed at the corners of the rectangle as…

A:

Q: A 150-g object oscillates with simple harmonic motion along the x-axis. Its has a velocity of 0.20…

A:

Q: Ahmed is pushing a box with a force 61 N, in the West direction. Salim is pushing the same box with…

A:

Q: 16 A 0.400-kg blue bead slides on a frictionless, curved wire, starting from rest at point AD, where…

A: mass of blue bead (m1) = 0.400 kg initial velocity of blue bead (u) = 0 msmass of green bead (m2) =…

Q: An automobile with a charge of +2.0 is in a (4.0 x 10 ^-5 T) magnetic field that is parallel to the…

A: Dear student The magnetic force on a charge q moving with speed v in a magnetic field B is given by:…

Q: .How much energy is released from glucose when oxidized Your answer What is the far point of a…

A:

Q: If a ball is thrown in the air with an initial height of 5 feet, and if the ball remains in the air…

A:

Q: Pg 402 RI Ry Total Rz

A:

Q: A light with a wavelength of 490 nm reaches a photoelectric surface where the energy maximum…

A:

Q: A) From the given figure above, which of the following most nearly gives the magnitude, in Newtons,…

A: Disclaimer:“Since you have asked multiple question, we will solve the first question for you. If you…

Q: 3. Determine the thermal coefficient of resistance of copper at 50°C, then use this value to…

A: We have to find the thermal coefficient of resistance of copper as 50 degree Celsius.

Q: The voltage in circuit is 40 V and resistance is 10 ohms, find the current ?

A: Given data :                        Voltage     =     V                    Resistance    =     R…

Q: Hello! May I ask what should I input on the following boxes? 1.) By evaluating the integral and…

A: 1. Q=8 pi β R3/2 2. β=Q8 pi R3/2

Q: A current of 8.5 A flows through a conductor for 10.4 seconds. What amount of charge passes through…

A: Given data :                          Current    =   I                           Time     =     t…

Q: onsider a 12.00 meter long, steel I-beam with a cross-section shown below. The weig s)? (Ysteel =…

A: GivenLength of I-beam, L=12 mWeight of I-beam, W=4609.92 Nγsteel=200 GPaβsteel=159 GPa

Q: A uniform surface charge density of5 nC/m is present in the region x = 0, -2 <y< 2, and all z. Ife =…

A:

Q: Free Body only

A:

Q: A stone is thrown horizontally at a speed of 6.0 m/s from the top of a cliff that is 70.0 m high.…

A: horizontal speed  (vox)= 6 m/s height ( h) = y  = 70 m   vertical speed (voy) = 0 m/s

Q: hydrocephalus Increased pressure of fluid inside the arteries Increased pressure of fluid inside the…

A: Hydrocephalus is a disease in which there is a buildup of fluid in the cavities deep inside the…

Q: Based on the arrangement of the electric field lines, what can you say about the charges?…

A: Given: Based on the arrangement of the electric field lines, what can you say about the charges?…

Q: Question 2 Ignoring air resistance, if a 10 kg ball and a 100 kg box were both dropped from the top…

A: Acceleration of any body is independent from the mass of object and it's value on each surface is…

Q: A block with mass m, = 0.500 kg is released from rest on a frictionless track at a distance h; =…

A: Please note : As per answering guidelines I can answer the first three subparts of a multisub-part…

Q: What are the equations for Systems with Potential Energy ?

A:

Q: Kindly refer to the diagram below. What is the resultant electric force on charge A due to charges B…

A:

Q: Two people push on a wall with 100 N. The wall doesn’t move. How much work is done?

A: