Ask your own question, for FREE!
Physics 6 Online
OpenStudy (aaronandyson):

http://prntscr.com/8iteo2

OpenStudy (aaronandyson):

@Abhisar

OpenStudy (abhisar):

I see 3 questions o_o

OpenStudy (abhisar):

You can write down the question instead of posting their pics...

OpenStudy (aaronandyson):

What happens when an alternating current is applied to the X plates in a Cathode ray tube?

OpenStudy (abhisar):

Sorry, I don remember AC !!

OpenStudy (aaronandyson):

well will you help me with a numerical of Kinetic energy and potential enrgey?

OpenStudy (abhisar):

Yeah sure..

OpenStudy (aaronandyson):

A ball of mass 200 gm is thrown vertically upwards with an initial velocity of 20 ms.Calculate the maximum Potential energy it gains.

OpenStudy (abhisar):

The maximum PE will be equal to its initial KE

OpenStudy (aaronandyson):

m*(v)^2/2?

OpenStudy (aaronandyson):

0.2*400/2?

OpenStudy (aaronandyson):

40J?

OpenStudy (abhisar):

\(\huge \checkmark\)

OpenStudy (aaronandyson):

one more numerical i have...

OpenStudy (aaronandyson):

refractive index of glass is 3/2 and of water is 4/3.what is the refractive index of glass with respect to water?

OpenStudy (aaronandyson):

I got 2.

OpenStudy (aaronandyson):

@Abhisar

OpenStudy (abhisar):

I am not sure....I forgot this stuff ..

OpenStudy (aaronandyson):

thanks for the help though.

OpenStudy (abhisar):

Wr iz ma medal ;-;

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!