MTG NEET Physics
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 [...]
A particle moves on a circular path of radius 0.2 m with an angular acceleration 0.25 rad/s. The particle starts from rest, find the time at which the magnitude of radial acceleration and the magnitude of tangential acceleration are same.
29
Oct
A particle moves on a circular path of radius 0.2 m with an angular acceleration 0.25 rad/s. The particle starts from rest, find the time at which the magnitude of radial acceleration and the magnitude of tangential acceleration are same. A particle moves on a circular path of radius 0.2 m with an angular acceleration [...]
A car passes along a curved path of a road according to the given figure moving with a speed of 72 km/hr, the radius of the curve is 10 m. If the mass of the car is 500 kg, reaction force on the car at lowest point of curved part will be :
29
Oct
A car passes along a curved path of a road according to the given figure moving with a speed of 72 km/hr, the radius of the curve is 10 m. If the mass of the car is 500 kg, reaction force on the car at lowest point of curved part will be : A car [...]
A racing completes three rounds on a circular racing track in one minute . If the car has a uniform centripetal acceleration of π^2m/s then radius of the track will be
29
Oct
A racing completes three rounds on a circular racing track in one minute . If the car has a uniform centripetal acceleration of π^2m/s then radius of the track will be A racing completes three rounds on a circular racing track in one minute . If the car has a uniform centripetal acceleration of π^2m/s [...]
A particle is moving on circular path. The angle turned by radius vector is (1-e-^t/3). where θ is in radian and t is in second. The angular acceleration at t=0 is
29
Oct
A particle is moving on circular path. The angle turned by radius vector is (1-e-^t/3). where θ is in radian and t is in second. The angular acceleration at t=0 is A particle is moving on circular path. The angle turned by radius vector is (1-e-^t/3). where θ is in radian and t is in [...]