Question Answers
Sahay Sir > Question Answers
In Melde’s experiment, a string vibrates in 3 loops when 8 g were placed in a pan. What mass must be placed in the pan to make the string vibrate in 5 loops?
06
Sep
In Melde’s experiment, a string vibrates in 3 loops when 8 g were placed in a pan. What mass must be placed in the pan to make the string vibrate in 5 loops? a string vibrates in 3 loops when 8 g were placed in a pan. What mass must be placed in the pan [...]
A particle located at x = 0 at time t = 0, starts moving along the positive x−direction with a velocity ′v′ that varies as v = α root x.The displacement of the particle varies with time as
06
Sep
A particle located at x = 0 at time t = 0, starts moving along the positive x−direction with a velocity ′v′ that varies as v = α root x.The displacement of the particle varies with time as A particle located at x = 0 at time t = 0 starts moving along the positive [...]
The velocity of a particle moving in the positive direction of x-axis varies as v = α√x where α is positive constant. If at t = 0, x = 0, the velocity and acceleration as a function of time t will be
06
Sep
The velocity of a particle moving in the positive direction of x-axis varies as v = α√x where α is positive constant. If at t = 0, x = 0, the velocity and acceleration as a function of time t will be the velocity and acceleration as a function of time t will be The [...]
Two strings of same material are joined to form a large sting and is stretched between rigid supports. The diameter of the second string is twice that of the first. It was observed in an experiment that the whole string
06
Sep
Two strings of same material are joined to form a large sting and is stretched between rigid supports. The diameter of the second string is twice that of the first. It was observed in an experiment that the whole string The length of a sonometer wire between two fixed ends is 1.10 m. Where should [...]
The deceleration experienced by a moving motorboat after its engine is cut-off, is given by dt/dv = − kv^3 where k is constant. If v0 is the magnitude of the velocity at cut-off, the velocity v at a time t after the cut-off will be
06
Sep
The deceleration experienced by a moving motorboat after its engine is cut-off, is given by dt/dv = − kv^3 where k is constant. If v0 is the magnitude of the velocity at cut-off, the velocity v at a time t after the cut-off will be is given by dt/dv = − kv^3 where k is [...]
A particle is moving under constant acceleration a = kt. The motion starts from rest. The velocity and displacement as a function of time t is
06
Sep
A particle is moving under constant acceleration a = kt. The motion starts from rest. The velocity and displacement as a function of time t is A particle is moving under constant acceleration a = kt. The motion starts from rest. The velocity and displacement as a function of time t is September 6, 2020 [...]
A particle, initially at rest, starts moving in a straight line with an acceleration a = 6t + 4 m/s^2. The distance covered by it in 3 s is.
06
Sep
A particle, initially at rest, starts moving in a straight line with an acceleration a = 6t + 4 m/s^2. The distance covered by it in 3 s is. A particle initially at rest starts moving in a straight line with an acceleration a = 6t + 4 m/s^2. The distance covered by it in [...]
Two metallic stings A and B of different materials are connected in series forming a joint. The strings have similar cross-sectional area a = 1 mm^2. The length of A is la = 0.3m and that B is lb = 0.75
06
Sep
Two metallic stings A and B of different materials are connected in series forming a joint. The strings have similar cross-sectional area a = 1 mm^2. The length of A is la = 0.3m and that B is lb = 0.75 The length of a sonometer wire between two fixed ends is 1.10 m. Where [...]
The acceleration a in ms^-2 of a particle is given by a = 3t^2 + 2t + 2, where t is the time. If the particle starts out with a velocity v = 2 ms^-1 at t = 0, then find the velocity at the end of 2 s.
06
Sep
The acceleration a in ms^-2 of a particle is given by a = 3t^2 + 2t + 2, where t is the time. If the particle starts out with a velocity v = 2 ms^-1 at t = 0, then find the velocity at the end of 2 s. The acceleration a in ms^-2 of [...]
A particle is moving with velocity v = 4t^3 + 3t^2 – 1 m/s. The displacement of particle in time t = 1 s to t = 2 s will be
06
Sep
A particle is moving with velocity v = 4t^3 + 3t^2 – 1 m/s. The displacement of particle in time t = 1 s to t = 2 s will be A particle is moving with velocity v = 4t^3 + 3t^2 - 1 m/s. The displacement of particle in time t = 1 s [...]