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A stone is dropped from the 25th storey of a multistoried building and it reaches the ground in 5 s. In the first second, it passes through how many storeys of the building?
19
Sep
A stone is dropped from the 25th storey of a multistoried building and it reaches the ground in 5 s. In the first second, it passes through how many storeys of the building? A stone is dropped from the 25th storey of a multistoried building and it reaches the ground in 5 s. In the [...]
Let E be the energy required to raise a satellite to height h above earth’s surface and E’ be the energy required to put the same satellite into orbit at that height. Then E/E’ is equal to
19
Sep
Let E be the energy required to raise a satellite to height h above earth’s surface and E’ be the energy required to put the same satellite into orbit at that height. Then E/E’ is equal to Let E be the energy required to raise a satellite to height h above earth's surface and E' [...]
A body which is initially at rest at a height R above the surface of the earth of radius R, falls freely towards the earth, then its velocity on reaching the surface of the earth is
19
Sep
A body which is initially at rest at a height R above the surface of the earth of radius R, falls freely towards the earth, then its velocity on reaching the surface of the earth is A body which is initially at rest at a height R above the surface of the earth of radius [...]
The ratio of the energy required to raise a satellite to a height h above the earth surface to that required tom put it into the orbit is :
19
Sep
The ratio of the energy required to raise a satellite to a height h above the earth surface to that required tom put it into the orbit is : The ratio of the energy required to raise a satellite to a height h above the earth surface to that required tom put it into the [...]
A potential divider is used to give outputs of 4 V and 8 V from a 12 V source. Which combination of resistances, ( R1, R2, R3 ) gives the correct voltages ?
19
Sep
A potential divider is used to give outputs of 4 V and 8 V from a 12 V source. Which combination of resistances, ( R1, R2, R3 ) gives the correct voltages ? ( R1 A potential divider is used to give outputs of 4 V and 8 V from a 12 V source. Which [...]
The orbital angular momentum of a satellite revolving at a distance of ′r ′ from the center is ′L ′of the distance is increased to 16r, then the new angular momentum will be
19
Sep
The orbital angular momentum of a satellite revolving at a distance of ′r ′ from the center is ′L ′of the distance is increased to 16r, then the new angular momentum will be The orbital angular momentum of a satellite revolving at a distance of ′r ′ from the center is ′L ′of the distance [...]
Find the equivalent resistance across the terminals of source of e.m.f. 24 V for the circuit shown in figure.
19
Sep
Find the equivalent resistance across the terminals of source of e.m.f. 24 V for the circuit shown in figure. Find the equivalent resistance across the terminals of source of e.m.f. 24 V for the circuit shown in figure. September 19, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
For motion of an object along the x-axis, the velocity v depends on the displacement x as v = 3x^2 – 2x, then what is the acceleration at x = 2 m.
19
Sep
For motion of an object along the x-axis, the velocity v depends on the displacement x as v = 3x^2 – 2x, then what is the acceleration at x = 2 m. For motion of an object along the x-axis the velocity v depends on the displacement x as v = 3x^2 - 2x then [...]
The deceleration experienced by a moving motor boat, after its engine is cut-off is given by dv/dt = -kv^3, where k is constant. If v0 is the magnitude of the velocity at cut-off, the magnitude
19
Sep
The deceleration experienced by a moving motor boat, after its engine is cut-off is given by dv/dt = -kv^3, where k is constant. If v0 is the magnitude of the velocity at cut-off, the magnitude after its engine is cut-off is given by dv/dt = -kv^3 The deceleration experienced by a moving motor boat the [...]
The resistance of the series combination of two resistance is S. when they are joined in parallel the total resistance is P. If S = nP, then the minimum possible value of n is
19
Sep
The resistance of the series combination of two resistance is S. when they are joined in parallel the total resistance is P. If S = nP, then the minimum possible value of n is The resistance of the series combination of two resistance is S. when they are joined in parallel the total resistance is [...]