Dhawal
 Name:
 Dhawal S
 School:
 Kendriya Vidyalaya
 About:
 i am a rookie trying to learn please help
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Questions Answered

Dhawal:
Group Title
a source is at origin continuously emitting sound at afrequency of 660hz. the sound travels at 330m/s. a listener is moving along the line X…
 updated one year ago
 9 replies
 1 Medal
Mathematics

Dhawal:
Group Title
Whata is the minimum energy required to launch a satellite of mass m from the surface of a
planet of mass M and radius R in a circular orbi…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

TJQ:
Group Title
Can someone check my answer?
Find the derivative of the function by using the definition.
y=5x^2 +2 =10x
 updated one year ago
 8 replies
 2 Medals
Mathematics

Shakaib:
Group Title
what is the value of g at center of earth?
…
 updated one year ago
 11 replies
 3 Medals
Mathematics

Danny_Boy:
Group Title
In a given quadrilateral, each side is parallel to its opposite side and the diagonals are not perpendicular. What could it be?
check all t…
 updated one year ago
 17 replies
 2 Medals
Mathematics

sraone88:
Group Title
the 10th card is the ace of spades, given that the 50th card is the ace of diamonds
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

Danny_Boy:
Group Title
Rectangles are _____ squares.
A. often
…
 updated one year ago
 2 replies
 1 Medal
Mathematics

nincompoop:
Group Title
a pale blue dot...
 updated one year ago
 14 replies
 8 Medals
Mathematics

mathslover:
Group Title
Is music related to poetry anyhow? Singing a poem can make it a music, is it true?
 updated one year ago
 4 replies
 2 Medals
Mathematics

ashwin5725:
Group Title
Do electric fields really carry energy or we take it as mere convention for problem solving as an assumption?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

AhmedSA:
Group Title
If the speed of rotation of Earth increases, weight of a body will?
A) Increase
B) Decrease
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

Ruchi.:
Group Title
proof of charged conducting& nonconducting sheet.
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

lana.831:
Group Title
If a board spans two bricks and carries a load of 10kg, where on the board does tension occur?
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

ali_rami1990:
Group Title
A crane lifts a mass of 500 kg uniformly accelerated with a = 0.17 m/s^2 . What is the force on the crane's hook ?
 updated one year ago
 8 replies
 1 Medal
Mathematics

muratcankalem:
Group Title
Please mark below all of the statments that correctly describe the physical properties of glass.
a)Glasses do not have slip systems.
b)G…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

erinciara9421:
Group Title
If a satellite weighs 321 lb. on the earth's surface (R = 4,000 miles), how much does it weigh 12,000 miles above the surface?
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

rashmiach:
Group Title
if the plates of a parallelplate capacitor are joined together by a conducting wire then its capacitance
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

rashmiach:
Group Title
a pendulum bob of mass m/2 carrying a charge 2q is at rest with its string making an angle theta with the vertical in uniform horizontal ele…
 updated one year ago
 3 replies
 2 Medals
Mathematics

lana.831:
Group Title
In the figure below, EC  AB. Find the length of EA.
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

lana.831:
Group Title
What is the length of MO?
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

v.d.raju:
Group Title
i have asked where does this gravity comes and what is the reason for earth to attract all other objects towards it's centre
…
 updated one year ago
 5 replies
 4 Medals
Mathematics

mailtoarko:
Group Title
i am posting the picture of my question please help friends
 updated one year ago
 17 replies
 2 Medals
Mathematics

Theshyz:
Group Title
the total charge on twosmall positively charged spheres is 0.00005C. Each sphere is repelled by a force of 1.0N, when the spheres are 2.0m a…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

ehijaeh:
Group Title
A charge of 8 nC is placed uniformly on a square sheet of nonconducting material of side 22 cm in the yz plane.(d) What is the magnitude of…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

KingAditya:
Group Title
WHERE THE FRICTION WORKS WHEN WE ARE MOVING FOREWARD??
 updated one year ago
 7 replies
 4 Medals
Mathematics