Questions Answered

asapbleh:
What happens when salt mixes in water? Do the properties of the liquid change? How?
 updated 2 years ago
 2 replies
 2 Medals

charlesdavis2525:
you are in a sailing ship just off the coast of antarctica. the winds are pushing you north,but they are also curving to the west. Theses wi…
 updated 2 years ago
 2 replies
 2 Medals

melissaaa:
give an example of an energy conversion that produces an unwanted form of energy?
 updated 2 years ago
 4 replies
 No Medals Yet

santistebanc:
what if the sun were to suddenly disappear?, would the planets immediately change orbits or would there be some delay before the change in g…
 updated 2 years ago
 22 replies
 7 Medals

TurtleMatt:
How many Carbons and Hydrogens are in 3methyl 4propyl heptane?
 updated 2 years ago
 2 replies
 1 Medal

pastory:
differ between beam balance and spring balance?
 updated 2 years ago
 2 replies
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pastory:
help different between xrayand gamarray??
 updated 2 years ago
 6 replies
 1 Medal

Philipopoku:
Explain why echoes are undiserable in a big hall
 updated 2 years ago
 2 replies
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jarumski:
for fusion to happen the process needs to overcome the Coulomb Barrier. how does fusion work for cold fusion?
 updated 2 years ago
 1 reply
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bkingery:
What volume of nitrous oxide can be produced from the decomposition of 0.55 moles of ammonium nitrate using the equation NH4NO3
 updated 2 years ago
 3 replies
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puddlemooders:
Can someone explain what happens when there's an inelastic collision between and electron and an atom?
 updated 2 years ago
 2 replies
 1 Medal

feynman_gal:
why is there only xray astronomy and not infra red , uv etc !
 updated one year ago
 2 replies
 No Medals Yet

AravindG:
i need help :how to do problems involving tension apllying newton second law???
 updated 2 years ago
 3 replies
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abichu:
Simplify (sin^3 theta+cos^3 theta) / (sin theta + cos theta)
 updated 2 years ago
 9 replies
 5 Medals

abichu:
If sin theta  cos theta = 0. Find sin^4 theta + cos^4 theta
 updated 2 years ago
 3 replies
 1 Medal

abichu:
If 5 sin theta = 3. Find sec theta+tan theta/sec theta  tan theta
 updated 2 years ago
 12 replies
 2 Medals

abichu:
someone answer my question please..!!!!
 updated 2 years ago
 4 replies
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abichu:
SOLVE  {sin(theta+25)cos(65theta)+3cos55/7sin35}  {4cos70 cosec^2 theta/7tan5 tan25 tan 45 tan 65 tan 85}
 updated 2 years ago
 3 replies
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abichu:
9) if 2x=sec theta and 2/x=tan theta , find 2(x^2=1/x^2)
 updated 2 years ago
 3 replies
 2 Medals

abichu:
8) If cos(1+theta)=sin(k/3theta), find K
 updated 2 years ago
 4 replies
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abichu:
7) If sin A+sin^2 A=1,find cos^2 + cos^4 A
 updated 2 years ago
 65 replies
 2 Medals

abichu:
6) If sec theta+tan theta = P. PT sin theta=P^21/P^2+1
 updated 2 years ago
 67 replies
 3 Medals

abichu:
4) P.T {sin tita*cos(90tita)*cos tita/sin(90tita)} + {cos tita*sin(90tita)*sin tita/cos(90tita)}
 updated 2 years ago
 4 replies
 No Medals Yet

abichu:
2) evaluate.sin30+2cos^245+tan^2 60/1/2cos45+cos^230+tan^245
 updated 2 years ago
 3 replies
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dilindineshan:
what is a commutator? what is its importance in classical mechanics?
 updated 2 years ago
 4 replies
 No Medals Yet

sritama:
is there any antiparticle of neutron?
 updated 2 years ago
 9 replies
 3 Medals

sritama:
how to prove
E=mc^2
 updated 2 years ago
 6 replies
 3 Medals

kris100:
what is electrostatics? :)
 updated 2 years ago
 5 replies
 1 Medal

s.dhanush:
what is nuclear fission
 updated 2 years ago
 5 replies
 2 Medals

dilindineshan:
why the charge is conserved? why the charge of electron and proton not changes? why it is a constant?
 updated 2 years ago
 3 replies
 1 Medal
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