The bob of a pendulum has mass `m= 1kg` and charge `q= 40 muC`. Length of the pendulum is `l=0.9m`. The point of suspension also has the same charge `40 mu C`. What the minimum speed `u` should be imparted to the bob so that it can complete verticel circel ?

A simple pendulum bob of mass M and length l has one of its end fixed at the centre of a vertical circle as shown in figure. If theta = 60^(@) at the point P, the minimum speed u that should be given to the bob so that it completes vertical circle is :

A simple pendulum of bob of mass m and length L has one of its ends fixed at the centre O of a vertical circle, as shown in the figure. If 0=60^(@) at the point P , the minimum speed u that should be given to the bob so that it completes vetical circle is

What minimum horizontal speed should be given to the bob of a simple pendulum of length l so tht it describes a complete circle?

A small ball if mass 2 xx 10^(-3) Kg having a charges of 1 mu C is suspended by a string of length 0. 8 m Another identical ball having the same charge is kept at the point of suspension . Determine the minimum horizontal velocity which should be imparted to the lower ball so tht it can make complete revolution .

The bob of a simple prendulum is suspended by a strinng of length 80 cm . What minimum horizontal velocity should be imparted to the bob so that it reaches it reaches the height of suspension point ? (g=10 m//s^(2))

The mass of a pendulum bob is m = 2kg and the length of the string is l. It is displaced through 90^(@) from the vertical and released. What minimum tension (in N) should the string should be able to withstand so that it doesn't break during motion?

A small ball of mass 2 xx 10^-3 kg , having a charge 1 mu C , is suspended by a string of length 0.8 m . Another identical ball having the same charge is kept at the point of suspension. Determine the minimum horizontal velocity that should be imparted to the lower ball so that it can make a complete revolution.

A small ball of mass m having charge q is suspended by a string of length L . Another identical ball having the same charge is kept at the point of suspension. Determine the minimum horizontal velocity which should be imparted to ball at lowest point so that it can make complete revolution.

The bob of a simple pendulum of length 1 m has mass 100 g and a speed of 1.4 m/s at the lowest point in its path. Find the tension in the stirng at this instant.

A simple pendulum of mass m and charge +q is suspended vertically by a massless thread of length l. At the point of suspension, a point charge +q is also fixed. If the pendulum is displaced slightly from equilibrium position, its time period will be