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What is difference between 'g' and 'G'

G stands for Newton's universal gravitational constant, whereas g stands for the acceleration due to gravity at a certain point.
G = 6.67300 × 10-11 N.m2.kg-2, G is a c

...

Sep 20

• 61 Likes
• 157159 Views

Sep 20

What is difference between speed and velocity?

SPEED                     VELOCITY 1. It is defined as the rate of change of distance. It is defined as the rate of change o...

May 18

• 16 Likes
• 109516 Views

May 18

Manoharan commented 3 year(s) , 11 month(s) ago

Derivation of equations of motion

Derivation of The Equations of Motion

Derivation of S = ut + ½ at2

Derivation of v2 - u2<...

Jun 28

• 19 Likes
• 95186 Views

Jun 28

a farmer moves along the boundary of a square field of side 10 m in 40 seconds.what will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds from his initial position?

Total distance 40m in 40 sec.
Total time taken by the farmer = 2 min 20 sec. =140 seconds.
Total rounds completed= 140/40=3.5 rounds
That mean...

May 21

• 6 Likes
• 90080 Views

May 21

Nagender commented 2 year(s) ago

brief summary of novel the three men in a boat 1st term

SUMMARY OF THREE MEN IN A BOAT -

Three friends named Jerome, George, and Harris smoke together in their apartment in London. They are all hypochondriacs and discuss their illnesses. After researchin

...

Jan 12

• 59 Likes
• 80941 Views

Jan 12

Derive the expression kinetic energy, potential energy

Derivation for the equation of Potenstial Energy:
Let the work done on the object against gravity = W
Work done, W = force × displacement...

Dec 24

• 7 Likes
• 69992 Views

Dec 24

Amandeep answered 1 year(s) , 3 month(s) ago

What are the applications of Archimedes principle?

Applications of Archimedes principle:-
1. Archimedes principle is used to determining the relative density of the substance.
2. Archimedes principle is used in designing ships and submarines.

Feb 1

• 9 Likes
• 67643 Views

Feb 1

How to calculate zero error and least count of spring balance

Least count of a measuring instrument is the least value of physical quantity that can be measured accurately using the instrument.

Example:
...

Oct 31

• 2 Likes
• 48824 Views

Oct 31

What is the difference between echo and reverberation?

1. Echo is a single reflection of a sound wave off a surface. Reverberation is the sound or the pattern created by the superposition of such echoes.

2. An echo can be heard only when the distanc...

Feb 7

• 3 Likes
• 48372 Views

Feb 7

Syeda answered 1 year(s) , 10 month(s) ago

vidyalaya mai gantantra deevas samaroh, shikshak deevas

Mar 10

• 10 Likes
• 44508 Views

Mar 10

what is the relation between g and G ?

F = ma...............1
F = G*M*m/d2......2
By 1 and 2
ma = G*M*m/d2
On upward or downward motion under the influence of gravity a=g
So,
mg = G*M...

Sep 27

• 7 Likes
• 44401 Views

Sep 27

Formulas of sound chapter......

Velocity = Wavelenght × Frequency
Velocity = Frequency × Wavelengh
Velocity = (1/Time) × Wavelengh

For Echo:

2 × Distance / Time = Speed of sound

...

Jan 9

• 7 Likes
• 43474 Views

Jan 9

Fibin answered 4 year(s) , 2 month(s) ago

Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?

m=1500kg

u= 60km/h =60* 5/18 = 50/3m/s

v =0m/s

w = change in its KE.

initial KE =1/2 mu 2

final KE=1/2mv²
...

Feb 6

• 2 Likes
• 42003 Views

Feb 6

Explain working of human ear.

The pinna collects the sound waves from the surroundings and sends it to ear canal. The ear canal sends the sound waves to the ear drum and send it to middle ear. The hammer, anvil a...

Mar 1

• 4 Likes
• 39066 Views

Mar 1

Hari answered 4 year(s) , 3 month(s) ago

A bullet of mass 10g travelling horizontally with a velocity of 150 m/s strikes a stationary wooden block and comes to rest in 0.03 sec. Calculate the distance of penetration of the bullet into the

Data:
mass of the bullet (m) = 10 g = (10/1000) kg =0.01 kg
Initial velocity (u) = 150 m/s
Final velocity (v) = 0 m/s
Time taken (t) = 0.03 sec

i. Calcul...

Aug 31

• 10 Likes
• 37499 Views

Aug 31

State Archimedes principle and its two applications?

Archimedes principle states that the upward buoyant force that is exerted on a body immersed in a fluid whether fully or partially submerged is equal to the wieght of the fluid that the body displaces.
...

Feb 4

• 6 Likes
• 35386 Views

Feb 4

Syeda answered 6 month(s) , 6 day(s) ago

Change the speed of 6m/s into km/h?

Since we know that,

therefore, 6 m/sec = (6 x 18) / 5 =21.6 km/hr

Jun 4

• 5 Likes
• 35288 Views

Jun 4

Joel answered 1 year(s) , 8 month(s) ago

Define retardation.

The velocity of body decrease with time the motion is said to be retardation *the opposite of accelaration

May 19

• 6 Likes
• 34732 Views

May 19

Janhavi answered 4 year(s) , 8 month(s) ago

Difference between G and g

G stands for Newton's universal gravitational constant, whereas g stands for the acceleration due to gravity at a certain point.
G =  6.67300 × 10 -11 N.m 2.kg -2. G is...

Sep 13

• 5 Likes
• 34150 Views

Sep 13

Janhavi answered 4 year(s) , 9 month(s) ago

Difference between distance and displacement

1. Distance is the length of the path travelled by a body in certain interval of time, whereas displacement is the shortest distance between the initial and final positions of a body.
2. Distance is a s...

Sep 8

• 5 Likes
• 30666 Views

Sep 8

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