Why is sunset red? Group of answer choices Psychology. The Sun itself turns redder at sunset. Blue light is scattered away. The atmosphere is redder at sunset

Q: 8. What is the magnitude of the electric field due to Q1 at the point P O -1.908x10^(6) N/C O -1.908...

A:

Q: In a big group of people, each one is are talking with the same loudness. If 7575 % of the people st...

A: Given data: The formula for the sound intensity is, β=10logII0 The percentage of people stop talking...

Q: A biker travelled 270.0 meters 42degree N of E to point A, then 80.0 meters west to point B, and fin...

A: Draw the motion diagram of the biker.

Q: In a cylinder 1.30 mol of an ideal diatomic gas, initially at 3.50 105 Pa and 21.0 °C expands until ...

A: As per our guidelines we will solve first three subparts for you. To get remaining subparts solved p...

Q: For the following circuit, determine the Norton current, in mA, through the two terminals. R1 = 8.3 ...

A:

Q: Light with a wavelength of 2.50 x 10-7 m falls on the surface of a 1.00 kg piece of molybdenum in an...

A:

Q: At a corner of a 30 mm x 40 mm rectangle is placed a charge of -40µC and at the two adjacent corners...

A:

Q: In the figure particle 1 (of charge +7.83 mC), particle 2 (of charge +7.83 mC), and particle 3 (of c...

A: Write the distance between the centre and corner of the equivalent triangle. r1=r2=r3=a3  

Q: Each car is pin connected at its ends to the rim of the wheel which turns at a constant speed. Using...

A: In this question we have to find the resultant force the seat exerts on the passenger. Please give p...

Q: Two carts of mass 0.65 kg and 1.50 kg are moving on a level air track with velocities -1.60 m/s and ...

A: Given, mass of the cart, m1 = 0.65 kgm2 = 1.50 kgv1 = -1.60 msv2 = +0.85 ms  

Q: A bomber is flying at 300 mi/hr horizontally at an altitude of 2000 ft. Its target is a ship sailing...

A:

Q: A rod 12.0 cm long is uniformly charged and has a total charge of -21.0 µC. Determine the magnitude ...

A: Given, length of the rod, L = 12.0 cm total charge, q = -21.0 μC point is at, r = 32.0cm from its ce...

Q: Q.1 L- Shape slender bar is pivoted at point O as shown in fig. Find the Natural frequency of angula...

A: Moment of inertia of the above L-shaped slender:- I= I1 + I2 = mL2/3 + mL2/3 = 2mL2/3 COM of rod-1:-...

Q: In which direction does the normal force always act? Perpendicular to the ground Parallel to the sur...

A: The normal force is a force that a surface exerts on any object. It always acts perpendicular to the...

Q: A student's true weight is 407 N (magnitude), and apparent weight at a certain time is 515 N (magnit...

A: Given value--- true weight = 407 N. apparent weight = 516 N. We have to find--- Acceleration?

Q: If the ball was kicked from ground gaining a velocity of 87 m/s at 5.9 degrees from the horizontal. ...

A:

Q: An object dropped from a cliff falls with a constant acceleration of 10 m/s2. Find its speed 5 s aft...

A: Given data :                      Acceleration due to gravity   =  g                                ...

Q: When a diverging lens is held 15.0 cm above a line of print, the image is 6.0 cm beneath the lens. W...

A: In this question we have to find the focal length of the lens. Please give positive feedback if the ...

Q: A sailboat race course consists of four legs, defined by the displacement vectors A, B, C, and D. Th...

A:

Q: Exemple 2 A prism is made of glass of unkown refractive index. A parallel beam of light is incident ...

A:

Q: The dark grey car below with a mass of 2575-kg ran into the back of a 825-kg compact car at rest. Af...

A: GivenMass of dark grey car ,M=2575 kgMass of compact car ,m=825 kgCompact car is at restAfter collid...

Q: 1. Two equal positive charges q1 = q2 4.0 µC are located at (2.40 m, 0) and (- 2.40 m, 0), respectiv...

A:

Q: 3. What is the magnitude of the electrostatic force exerted by Q on a charge q = 2.50x10^(-20) C? %3...

A: Given value--- charge Q1 = 2.5 × 10-20 C. charge Q2 = - 2.5 × 10-6 C. r = 0.75 m. We have to find-...

Q: A jet airplane is flying at a height of 10,300 m at a velocity of 240 m/s. If the mass of the airpla...

A: Given data: The height above the ground is h=10300 m. The mass of airplane is m=85000 kg. The veloc...

Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vert...

A: Given The platform have a radius of 2.38 m and a rotational inertia of 463 kg·m2 A 58.2 kg student s...

Q: Question: The Velocity of the block Shown at Point A, is c1o m/s), find it's Velocity as it Pa3s Poi...

A:

Q: In the given network, each capacitor has C = 4.00 µF and Vab = +28.0 V. Calculate the: a. Total capa...

A:

Q: Given are 4 points in space: (x,y,z) A (3,2,3) B (0,1,4) C(2,4,1) D(0,5,4) The line of action of for...

A:

Q: The angular acceleration of a wheel is α = 9.0t4 – 7.0t2, with α in radians per second-squared and t...

A:

Q: Three forces act on a point. : 3N at 0 degrees, 4 N at 90 degrees, and 5 N at 217 degrees. What is t...

A: According to given question to find the resultant force first we find the net horizontal component o...

Q: Calculate the rotational inertia of a meter stick, with mass O.680 kg, about an axis perpendicular t...

A: Given: The mass of the stick is 0.68 kg. The length of the stick is 1 m ( meter stick). The mark pos...

Q: A projectile is fired with an initial velocity of 320m/s at an angle of 15o with the horizontal. Fin...

A: The projectile is fired at an angle of 150 from the horizontal. In projectile motion horizontal comp...

Q: 1. R1 200 10V Ry 300 Ry 500 R 200 a. Rtotal = b. I1 = c. I3 = A d. I4 = A e. V2 = f. V3 = g. V4 = A....

A:

Q: Dr. Albert’s TV set is broken, and the repair guy says the inductor in LC circuit is out of calibrat...

A:

Q: 1. Find the percent uncertainty of 300±5 cm. How will you write the value of the measurement? 2

A: As per guidelines  only first question is answered here , as all questions are not a subpart of a qu...

Q: Given the system of charges in the figure, determine the value of the force experienced by q1 knowin...

A:

Q: odified True/False Indicate whether the statement is true or false. If false, change the identified ...

A:

Q: 1 If you drop a stone in a still water, ripples are formed after the impact. What type of wave is th...

A: The waves produced by a stone dropped in water are transverse in nature. This is caused due to Rippl...

Q: A student is pulling a crate with a mass of 66.6 kg along a horizontal frictionless floor with a rop...

A: GivenMass of crate .m=66.6 kgAngle ,θ=30.0°Tension force ,T=239 Ng=10.0 m/s2

Q: Particles with a charge of +5e are incident on a target. If the beam of particles carries a current ...

A:

Q: 8. An object is pulled across a rough horizontal surface with an applied force of 300 N [40o below t...

A: Here, we will draw free body diagram in two cases and then using equation of motion we can find fric...

Q: A point charge of +0.80 μC is located at the origin. What is the electric potential at the point x =...

A:

Q: A projectile is fired with an initial velocity of 320m/s at an angle of 15o with the horizontal. Fin...

A:

Q: The following data are obtained from sources A and B of the same isotope: Timing Period Source A + b...

A: In this question we have to find the ratio of activity and the percent standard deviation. Please gi...

Q: The magnitude of the apparent weight of 75 kg man in an elevator accelerating at a rate of 1.08 m/s2...

A: Operation e. Is correct. Explanation-

Q: 10. What is the magnitude of the net electric field at point P due to th two charges? * O -1.908x10^...

A:

Q: I would like help to finish this homework that is due in an hour  so I can go home early for spring ...

A:

Q: SHOW COMPLETE SOLUTION 1. James throws a ball at an initial velocity of 8.4 m/s at an angle of 7.9 ...

A: According to guidelines we need to solve only first question kindly repost other questions in the ne...

Q: An object is launched vertically from the ground. Its engine provides constant upward acceleration d...

A: velocity at given instant (u) = 48 msinitial height (h) = 22 m (the point where the engine is turned...

Q: find the resistance if the curent is 7.5 amperes cand the voldage is 75-V

A: Given data :                      Current  =  i                        Voltage  =  V               T...