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A student says that he had applied a force F = -k√x on a particle moved in simple harmonic motion. He refuses to tell whether k is a constant or not. Assume that he has worked only with positive x and no other force acted on the particle.
29
Oct
A student says that he had applied a force F = -k√x on a particle moved in simple harmonic motion. He refuses to tell whether k is a constant or not. Assume that he has worked only with positive x and no other force acted on the particle. The sun subtends an angle of half [...]
Two moles of helium gas is taken over the cycle ABCDA, as shown in the P-T diagram. Assuming the gas to be ideal, the work done on the gas in taking it from A to B is
29
Oct
Two moles of helium gas is taken over the cycle ABCDA, as shown in the P-T diagram. Assuming the gas to be ideal, the work done on the gas in taking it from A to B is as shown in the P-T diagram. Assuming the gas to be ideal the work done on the gas [...]
The breaking tension of a string is 10 N. A particle of mass 0.1 kg tied to it is rotated along a horizontal circle of radius 0.5 meter. The maximum speed with which the particle can be rotated without breaking the string is
29
Oct
The breaking tension of a string is 10 N. A particle of mass 0.1 kg tied to it is rotated along a horizontal circle of radius 0.5 meter. The maximum speed with which the particle can be rotated without breaking the string is In vertical circular motion the ratio of kinetic energy of a particle [...]
A particle is projected so as to just move along a vertical circle of radius r. The ratio of the tension in the string when the particle is at the lowest and highest point on the circle is ?
29
Oct
A particle is projected so as to just move along a vertical circle of radius r. The ratio of the tension in the string when the particle is at the lowest and highest point on the circle is ? A particle is projected so as to just move along a vertical circle of radius r. [...]
A vehicle of mass m starts moving along a horizontal circle without slipping so that acceleration is a1 = bt^2, where b is constant. At t = t0 vehicle skids. The friction on the car as function of time t (< t0) is nm root^2 t^4 + bR. Find the value of n.
29
Oct
A vehicle of mass m starts moving along a horizontal circle without slipping so that acceleration is a1 = bt^2, where b is constant. At t = t0 vehicle skids. The friction on the car as function of time t (< t0) is nm root^2 t^4 + bR. Find the value of n. A vehicle [...]
A toy car starts from rest along the circular track of radius R on a horizontal board with a tangential acceleration a0. At the same instant, board starts from rest and accelerate upward with an acceleration a1. The coefficient of friction between board and car is u. The speed of the car relative to board at which it will skin in R^2(u^n (g + a1)^2 – a0^2) ^1/4. Find the value of n.
29
Oct
A toy car starts from rest along the circular track of radius R on a horizontal board with a tangential acceleration a0. At the same instant, board starts from rest and accelerate upward with an acceleration a1. The coefficient of friction between board and car is u. The speed of the car relative to board [...]
A car goes on a horizontal circular road of radius R. The speed increases at a constant rate a= dt/ dv = k. The friction coefficient between the tyre is μ. Find the speed at which the car will skid?
29
Oct
A car goes on a horizontal circular road of radius R. The speed increases at a constant rate a= dt/ dv = k. The friction coefficient between the tyre is μ. Find the speed at which the car will skid? A car goes on a horizontal circular road of radius R. The speed increases at [...]
A particle describes a horizontal circle in a conical funnel whose inner surface is smooth with speed of 0.5 m/s. What is the height of the plane of the circle from the vertex of the funnel ?
29
Oct
A particle describes a horizontal circle in a conical funnel whose inner surface is smooth with speed of 0.5 m/s. What is the height of the plane of the circle from the vertex of the funnel ? A particle describes a horizontal circle in a conical funnel whose inner surface is smooth with speed of [...]
A car is moving with a speed of 30m/s on a circular path on a radius 500 m. It is increases its speed at the rate of 2m/sec^2 the resultant acceleration will be
29
Oct
A car is moving with a speed of 30m/s on a circular path on a radius 500 m. It is increases its speed at the rate of 2m/sec^2 the resultant acceleration will be A car is moving with a speed of 30m/s on a circular path on a radius 500 m. It is increases its [...]
A car is travelling with linear velocity v on a circular road of radius r. If it is increasing its speed at the rate of a m/s^2 , then the resultant acceleration will be
29
Oct
A car is travelling with linear velocity v on a circular road of radius r. If it is increasing its speed at the rate of a m/s^2 , then the resultant acceleration will be A car is travelling with linear velocity v on a circular road of radius r. If it is increasing its speed [...]