Headings and vectors, A child in danger of drowning in a river is being car...

A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.75km/hr. The child is 0.620km from shore and 0.755km upstream of a boat land

Find the speed of pendulum bob, You pull a simple pendulum of length 0.240 ...

You pull a simple pendulum of length 0.240 m to the side through an angle of 3.50 degrees and release it. a) How much time does it take the pendulum bob to reach its highest speed?

Disadvantages of a.c. transmission of power, Disadvantages of A.C. Transmis...

Disadvantages of A.C. Transmission of power 1. An a.c. line needs more copper than a d.c. line. 2. The construction of an a.c. transmission line is more complex than d.c. tr

Explain gravitational lines of forces, Gravitational field can also be show...

Gravitational field can also be shown by lines of force. This is same in several ways as that of electric lines of forces. With one dissimilarity, electric charges are negative and

Laser physics, Show that the spectrum of thermal radiation for T ¼ 300K pea...

Show that the spectrum of thermal radiation for T ¼ 300K peaks at approximately 10 microns.

Thermodynamics, according to the first law of thermodynamics , obtain the r...

according to the first law of thermodynamics , obtain the relationship between specific hears of gases

Michelson interferometer diagram,

Diffrence in an induced and an electrostatic electric filed , Electrostatic...

Electrostatic field is caused by stationary charge, Induced field is caused by time-varying magnetic field

Michelson inferometre experiment, Why the fringes are in circular form and ...

Why the fringes are in circular form and how does it form?

Illustrate what is the direction of null vector, Q. Illustrate what is the ...

Q. Illustrate what is the direction of null vector? Answer:- There are two probable answers to this 1) It contain no direction 2) It points in every direction Ans