A simple pendulum of length 100 cm performs S.H.M. Find the restoring force acting on its bob of mass 50 g when the displacement from the mean position is 3 cm.
The data that we can put forward from this question is , Length L= 100cm …
Doors of a dam are 20m below the surface of water in the dam. If one door is opened what will be the speed of the water that flows out of the door ?
The given can be listed as, h= 20m g = 9.8m/s² To find, v = ? Solution -
A light bulb is rated 100W for 220 V AC supply of 50 Hz. Calculate (a) resistance of the bulb. (b) the rms current through the bulb.
the given can be listed as Power P = 100W To Find , Resistance R = ? …
Heat energy is being produced in a resistance in a circuit at the rate of 100 W. The current of 3 A is flowing in the circuit. What must be the value of the resistance?
we can list out the given as, Power P= 100W current , I = 3A To find , Resistance R …
The mass of the earth is 6 x 10²⁴ kg. The distance between the earth and the Sun is 1.5x 10¹¹ m. If the gravitational force between the two is 3.5 x 10²² N, what is the mass of the Sun?
the given can be listed as mass of earth , m = 6 x 10²⁴ kg. distance between sun and…
The masses of the earth and moon are 6 x 10²⁴ kg and 7.4x10²² kg, respectively. The distance between them is 3.84 x 10⁵ km. Calculate the gravitational force of attraction between the two?
the data can be listed as mass of earth , M = 6 x 10²⁴ kg mass of moon , m = 7.4 x 10²…
A ball falls off a table and reaches the ground in 1s. Assuming g = 10 m/s², calculate its speed on reaching the ground and the height of the table.
we can list the given data as, initial velocity , u = 0m/s time t = 1s g = 10m/s² To f…
An object thrown vertically upwards reaches a height of 500 m. What was its initial velocity? How long will the object take to come back to the earth? Assume g = 10 m/s²
We can list the data as, height covered or distance covered, s = 500m g = 10m/s² To fi…
Potential energy of a particle performing linear S.H.M is 0.1 π² x² joule. If mass of the particle is 20 g, find the frequency of S.H.M.
The data available in the sums is, Joule mass m = 20g = 0.020kg To find …
The total energy of a body of mass 2 kg performing S.H.M. is 40 J. Find its speed while crossing the centre of the path.
The given data from the question can be listed as, mass m = 2kg Total Ener…