-
suppose a spring mass system is completely immersed in a liquid . If we give small displacement x to it then will boyant force be considered as restoring force along with -kx or not? ...
-
Q.1 Four dice are rolled once. Find the number of ways in which one die shows at least 3. Q.2 A die is rolled 10 times. Find the number of ways so that the outcomes always contain 1,2,3. ...
-
suppose a spring mass system is completely immersed in a liquid . If we give small displacement x to it then will boyant force be considered as restoring force along with -kx or not? ...
-
When the momentum of a body decreases by 10%, its Kinetic Energy (KE) decreases by a)20% b)40% c)36% d)none of these FULL DESCRIPTION REQUIRED. NO SHORT ASNWER ...
-
If I hav a misconception please clear let Z be a complex no. = 2+3i... in Argands plane the coordinate of the complex no. is (2,3i) now we know that modulus of z = r that is the distance of the coordinate from origin.... now ...
-
suppose a spring mass system is completely immersed in a liquid . If we give small displacement x to it then will boyant force be considered as restoring force along with -kx or not? ...
-
A particle of mass m moves in xy plane along the line y=x-4,with constant velocity v. find the angular momentum of the particle about origin at any instant of time t.. ...
-
will any one explain me the topic chord of contact of a circle...?? ...
-
Q: A ball hits the floor and rebounds after an inelastic collision. In this case, a) the momentum of the ball just after collision is the same as that before collision. b) the mechanical energy of the ball remains same during ...
-
will any one explain me the topic chord of contact of a circle...?? ...
-
Q: A ball hits the floor and rebounds after an inelastic collision. In this case, a) the momentum of the ball just after collision is the same as that before collision. b) the mechanical energy of the ball remains same during ...
-
I was reading Mechanics where it was said that, Particle is a hypothetical mass-point that has no size. Can you please explain clearly... ...
-
Hi guys. How was RMO? I did 3 correct and attempted one more. ...
-
For the universe, ΔS is always increasing..right?! if we consider the universe as a system, what will be its surrounding????? moreover is the expansion of universe a adiabatic expansion???? ...
-
Two projectile are fired frm surface at a angle of 30 degree and 60 degree respectively with the horizontal...path of the first as seen by the other is a) parabola b)ellipse c)st line d)none ...
-
Two projectile are fired frm surface at a angle of 30 degree and 60 degree respectively with the horizontal...path of the first as seen by the other is a) parabola b)ellipse c)st line d)none ...
-
I was reading Mechanics where it was said that, Particle is a hypothetical mass-point that has no size. Can you please explain clearly... ...
-
*Image* Now my doubt is, if we consider C as the origin then centre of mass comes on CD at a distance L/4 from C. i.e., F ≡ (0, L/4) But what if we consider A as the origin... *Image* In this case we get, F ≡ (L/2, L/4) C ...
-
I was reading Mechanics where it was said that, Particle is a hypothetical mass-point that has no size. Can you please explain clearly... ...
-
This is a part of my initiative - Not A Doubt : A snowball is thrown against a wall . Where does its momentum go ? Where does its energy go ? Explain clearly . ...
-
1. A stone is dropped from top of a tower. When it crosses a point 5 m below the top , another stone is dropped from a point 25 m below the top. Both stones reach the bottom of the tower simultaneously. Find the height of the ...
-
*Image* Now my doubt is, if we consider C as the origin then centre of mass comes on CD at a distance L/4 from C. i.e., F ≡ (0, L/4) But what if we consider A as the origin... *Image* In this case we get, F ≡ (L/2, L/4) C ...
-
A satellite revolves round the Earth. Air pressure inside the satellite is maintained at 76 cm of mercury. What will be the height of the mercury column in a barometer tube in 1m long placed in the satellite? ...
-
A satellite revolves round the Earth. Air pressure inside the satellite is maintained at 76 cm of mercury. What will be the height of the mercury column in a barometer tube in 1m long placed in the satellite? ...
-
A satellite revolves round the Earth. Air pressure inside the satellite is maintained at 76 cm of mercury. What will be the height of the mercury column in a barometer tube in 1m long placed in the satellite? ...
-
calculate the final molarity of : 200 ml 1 M HCl +100ml .5M H2SO4 ...
-
In presence of external magnetic field d-orbitals are a)3-fold degenerate b)5-fold degenerate c)7-fold degenerate d)non-degenerate e)none of these answer in the key was (d) or (e) ..(i don't remember!!!) why is the answer not ...
-
Q1) Why do we say ΔS = Qrev/T Q2) While finding direction of spontaneity for a reaction, we say ΔSsurroundings = Qsurrounding/T = -Qsystem/T ΔSsurroundings = -ΔHsystem/T ΔSuniverse = ΔSsystem- ΔHsystem/T and further we ...
-
1) why is it so that many endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature? ...
-
A satellite revolves round the Earth. Air pressure inside the satellite is maintained at 76 cm of mercury. What will be the height of the mercury column in a barometer tube in 1m long placed in the satellite? ...
