Forces and nature,

Projectile motion, in some case we take y=-g but in some case we take y=g.....

in some case we take y=-g but in some case we take y=g... why???

Calculate the pressures at points, In this system, d = 6 in., D = 12 in., Δ...

In this system, d = 6 in., D = 12 in., Δz 1 = 6 ft, and Δz 2 = 12 ft. The discharge of water in the system is 10 cfs. Is the machine a pump or a turbine? What are the pressures a

Explain line emission spectrum, (i) It having of dissimilar bright lines. ...

(i) It having of dissimilar bright lines. (ii) It is given by an excited source in atomic state. (iii)E.g. Spectrum of excited helium, mercury vapours sodium vapours or atomi

What is moment of Inertia? Give an example, what is moment of Inertia? Give...

what is moment of Inertia? Give an example, I need some specific and unique examples of moment of interia topic.

Potential difference, Potential difference: When charges move from one ...

Potential difference: When charges move from one point to another, it is not the actual values of potential at those points which are Important, but the potential different (pd

Example on electrostatic shielding, Q. During lightning, it is safer to sit...

Q. During lightning, it is safer to sit inside car than in an open ground. Why? The metal body of the car offers electrostatic shielding where the electric field is zero. Thro

Electrostatics, the two point charges +10 nano coulomb and -20 nano coulomb...

the two point charges +10 nano coulomb and -20 nano coulomb are seperated by a distance 0.1m. calculate the neutral point along the line joining of two charges

Explain the basic characteristics of grating spectra, Explain the basic cha...

Explain the basic characteristics of grating spectra?

How several pounds does one gallon of water weigh, Q. How several pounds do...

Q. How several pounds does one gallon of water weigh? Answer:- One wine measure or else US gallon of water weighs 8.34 pounds. An imposing Gallon is ten pounds of water at