A 500 Kg car ,moving with the velocity of 36km/h on a straight line ,if we double its speed in one minute ,what will be the power delivered by the engine for doubling the velocity.(car is not changing the direction )
krishmental129
Asked:
December 2022
Every body in a room shakes hands with every body else.The number of hand shake is 66 .the total number of persons in room are ? (please provide me the full described solution and please don't say that you don't know it ).
krishmental129
Asked:
December 2022
Two unlike poles each of strength 300 a-m are placed at the two corners of an equilateral triangle of side 2m .THe magnetic induction at the third corner is ???????
krishmental129
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December 2022
Drive the equation of the pressure exerted by the light on a surface .
krishmental129
Asked:
December 2022
the extension in string is x ,the speed of sound in the stretched string is v .if the extension in string is increased yo 1.5x what will be the new speed of sound?
answer it fastif rootes of quadratic equation's ax^2 + bx + c and .........(1) px^2 + qx + r ...........(2)are same then find D_1/D_2 here D donates discernment
krishmental129
Asked:
December 2022
I have been working on carbon level decreasing machine ! what have you been this diwali ?
krishmental129
Asked:
December 2022
Proof me rongh let an AP S-n =1+2+.........+n and S-(n+1) = 0+11+1+........+(n+1) if S-n = n(2a+(n-1)d)/2 and S_(n+1) = (n+1)(2a + (n)d)/2 where a is first term d is common difference 1/(S_n) - 1/(S_(n+1) = 2/n (2a +(n-1)d) - 2/(2a-(n)d) ........(i) here by putting the value...
What is mendela effect ? How would you practically unify it ?
krishmental129
Asked:
December 2022
Consider the circuit shown in the figure ,what is the value of current in circuit
krishmental129
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December 2022
When 12 ohm resistor is connected with a moving coil galvanometer then it's deflection reduces from 50 division to 10 divisions what is the resistance of galvanometer ???
krishmental129
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December 2022
A cell of emf E and internal resistance r is connected in series with an external resistance mr .the what is the ratio of terminal voltage to emf ?
krishmental129
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December 2022
What is the mathematical relationship between current flowing in fuse and radius of fuse wire??
krishmental129
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December 2022
The one with correct explanation ion will be chosen as brilliance now the question is that what if we accelerated a partical at the speed of light ,here the particle will achieve infinity mass and infinity density resulting in high gravity ,such property's are of black hole ,means light now...
krishmental129
Asked:
December 2022
Three cells of emf E are connected in series to an external resistance 10 ohms . The current through the external resistor is i . When the same cell are connected in parallel to the same , the current is still i . The internal resistance of each cell is...
krishmental129
Asked:
December 2022
The resistance of a hot tungsten filament is about 10 times the cold resistance , what will be the resistance of 100 W & 200 v lamp when not in use ????
krishmental129
Asked:
December 2022
If 2^(1-x) +2^(1+x) ,f(x),3^x+3^(-x) are in A.P ,then the minimum value of f(x) is ?????