8- You were just hired to work as a lab tech in the physics lab of your university. Your first task was to set up a simple pendulum that makes 30.0 complete swings in 75.0 s. What should be the length of this pendulum?

Q: Explain underdamping ?

A: Damping in physics hinders or restrains the oscillating motion of a system. Depending on the level…

Q: If a bat sends out a "click" and gets a response 0.2s later, how far away is the object?

A: Given Response of time = total time = t = 0.2 s We have to calculate the position of object from the…

Q: Nickel Silver Part 1: Rivets 13 x 10-6 19.5 x 10-6 A silver rivet 1.98 cm in diameter is to be…

A:

Q: What is the difference between propagation of electromagnetic wave in conducting and non- conducting…

A: Concept used: Propagation of electromagnetic waves is different in different mediums.…

Q: What is the effect of varying object distance?

A:

Q: Only electromagnetic waves can move through

A: Given: Only electromagnetic waves can move through

Q: > it, shoyld be boslot (Vo%3D7 92 Sin6 O- cos30e0,8 sin 30 = Cos60=0,5 9= 10 m/2 Im.

A: The above problem is related to the projectile motion, where horizontal range (R) is given, along…

Q: Fire engines used to be red, Yellow-green is now the preferred color. Why the change?

A: Given:  Fire engines

Q: Which among the following is not a fundamental quantity? a. Luminous Intensity O b. Temperature O c.…

A: Definition of Fundamental quantity Fundamental quantities are those physical quantities which are…

Q: 35 ILW In Fig. 33-41, a beam of light, with tensity 43 W/m² and polarization parallel o ay axis, is…

A: Given  Intensity of light , Io = 43 W/m2  First angle , θ1 = 70°  Second angle, θ2 = 90°

Q: 74.3 is not an option which is the following answer?

A: The mass of the magnet is, m = 3.29 kg The weight of the magnet is,  W = mg = (3.29 kg)(9.81 m/s2) =…

Q: Does light have mass?

A: Light is defined as packets of energy. those packets of energy is called Photons.

Q: How does the average speed of light in glass compare with its speed in a vacuum?

A:

Q: Q19- Light is reflected to some extant from

A: Required :  Correct option

Q: What is the primary purpose of lightening rod?

A: Lightning rods were originally developed by Benjamin Franklin. A lightning rod is very simple --…

Q: What happens to a ray of light when it passes through a lens?

A: Lens can converge or diverge light.

Q: What besides the amount of light affects the size of the pupil of the eye?

A: The pupil response to cognitive and emotional events occurs on a smaller scale than the light…

Q: Electromagnetic waves All of the above are a combination of electric field lines and magnetic…

A:

Q: Light travels in __________   a. one direction b. two directions c. three directions d. four…

A: Light travel in a straight line. Travel in one direction. Option a is correct.

Q: In my answer I said out of the page for the direction . Is that fine?

A:

Q: Block is supported by two cables as shown in the schematic. Tension in the cable CB is 50 N. a) Draw…

A: since object is in equilibrium we can apply lamis theorem FCBsin90+42=FACsin180-23=mgsin48+23 Fcb=50

Q: By how much does it clear over the net?

A: Since it is proved that the ball will clear the net, the distance by which it will be cleared is…

Q: How fast would light travel through a material with a dielectric constant of 6 and a relative…

A:

Q: 6 What is te Emailangle betweenthete uetors A=31+4nd =-5分+1? ST

A:

Q: i can't see the full answer it scrolls out of view

A:

Q: Describe what you understand by Poynting vector

A: Answer:-  Poynting Vector :- A quantity describing the magnitude and direction of flow of energy in…

Q: The choices was  4384hz 4375hz 5069hz 4922hz

A:

Q: How does a bee buzz?

A:

Q: When you look at a shirt and it is blue…. WHY IS IT BLUE? What is being absorbed and what is being…

A: What colour our eye see is the reflected colour which an object reflects. Rest of the colours are…

Q: Does light travel in straight line? Explain your answer.

A: Light travels in form of energy packets known as photons. These energy packets travel with speed of…

Q: What electrical conditions are required for two light globes to produce the same brightness?

A: The expression for the power,

Q: Which is a definition of flux?

A: Flux is the presence of a force field in a specified physical medium, or the flow of energy through…

Q: What are the terminals of an incandesant lamp

A: The major components of an incandescent bulb are filament, two terminals, glass.

Q: A scooter waiting on a signal has its mirror vibrating violently. Why?

A: This is because of resonance. When a body is subjected to forced vibration with a frequency which…