Q1) Carefully, define the following terms to the best of your knowledge: a) Gaussian optics. b) Isochronous beams. c) Optical path of a beam. d) Paraxial rays. e) Fermat's principle.

Q: If the units of length and force are increased four times, then the unit of energy will: (A)…

A: Given data--- unit of length and force = 4 time increases . We have to find--- unit of energy  ?

Q: The type of energy associated with motion is energy.

A: Solution: There are two types of mechanical energy. 1. kinetic energy 2. potential energy

Q: How much work must be done on the particle by the external agent? (in J)

A:

Q: A ball has 1200J of energy. How much force was exerted through 0.65 m, so the ball would have that…

A: Given : Energy (E) = 1200 J Displacement (d) = 0.65 m

Q: A lift of mass 1000 kg which is moving with acceleration of 1 m/s² in upward direction, then the…

A: Given: Mass of lift, m = 1000 kg Acceleration of lift moving upward, a = 1 m/s2 Acceleration due to…

Q: What is the energy in the motion of a ball with a mass of 4 kg going at 11.4 m/s?  Give you answer…

A:

Q: what is a perpetual bike?

A: The word perpetual means never ending or changing , it also means continuously repeating. The…

Q: What is the velocity of a 1750 kg car whose KE is 87x103 J O 12.37 m/S O 4.48 m/s O 9.97 m/s O 7.16…

A:

Q: Energy is

A: Energy is defined as the work done by an object or rather the quantitative property needed by an…

Q: A bird of (1.6 kg) flies with (5 m/s), calculate its energy.

A: Given, mass of the bird, m = 1.6 kg speed of the bird, v = 5 m/s

Q: Show that the Force of Gravity is conservative.

A:

Q: The work done to increase the velocity of a car of 800 kg from 5 m/s to 10 m/s is

A:

Q: The two ways we can move energy around are called and

A: there are two ways we can move energy around- 1) Electrically- by electrically process energy move…

Q: Why is it that the work done in holding a bag w above the floor is 0?

A: GivenF=1 N1 m above the floor

Q: A 59 kg person climbs up the stairs with a height of 5.5m. Where does the energy come from to cause…

A: Energy come from to cause this increase as potential energy Potential energy increase in this case…

Q: What is the kinetic energy of a 4 kilogram cat runnig at 5 m/sec ?

A: given that,mass of cat, m=4 kgvelocity of cat, v=5 ms

Q: Calculate the mass of a car that drives at 21m/s and has 20000 J of energy ?

A: Given value--- speed = 21 m/s. energy = 20000 J. We have to find--- mass ?

Q: Discuss 10 practical ways by which energy can be conserved

A: The law of conservation of energy states that energy can neither be created nor be destroyed. It…

Q: A sorting arm in a UPS distribution center impacts a package at a velocity of 110 in/s. What drop…

A:

Q: How much work would have to be done to bring a 980-kg automobile traveling at 87 km/h to a stop?

A: Mass of the automobile = 980 kg Speed of the automobile = 87 km/h…

Q: What is known as grand free energy ?

A: The grand potential is a quantity used in statistical mechanics, especially for irreversible…

Q: Name six different forms of energy?

A: Six different forms of energy are:

Q: If you had two shoes, an ordinary shoe and an "antishoe" made of antiparticles, and you annihilated…

A: Consider that US population at this moment is 328.2 million. If each of them has a weight of 600N,…

Q: An object of mass 8 kg moving at a speed of 7 m/s collides with a ball of mass 9 kg moving in the…

A: Given: The intial speed of the 8 kg ball is 7 m/s. The initial speed of the 9 kg ball is 4 m/s in…

Q: E1.A horizontally directed force of 25.0 N is used to pull a box a distance of 1.5 m across a…

A: Dear Student,   As per our company policy, I am allowed to answer only first 3 subparts. So, kindly…

Q: If a closed system has 500 J of energy right now, how much will it have in five minutes?

A: Given: Energy = 500 J            System type:- Closed            Time = 5 minutes Asked: Energy left…

Q: A 1kg cannon ball is fired horizontally with an initial velocity of 5m/s. If the cannon was atop a…

A: Given: Mass of a canon m = 1 kg. Velocity of firing canon v = 5 m/s. height of canon h = 20 m.

Q: Calculate the mass of a car that drives at 14 m/s and has 20000 J of energy .

A: Given data :                         Velocity     =     V                 Kinetic energy    =   K•E…

Q: The speed of a 4-kg ball with a momentum of 12 kg m/s is

A: Mass of the ball, m = 4 kg Momentum of the ball, p = 12 kgm/s   The momentum of the ball is given by…

Q: A swing door is going to swing open when you push it and it swing right back to you is what law ?

A: Given Condition :- A swing door is going to swing open when you push it and it swing right back to…