Home
Class 12
PHYSICS
The world's largest ball of string is ab...

The world's largest ball of string is about 2 m in radius. To the nearest order of magnitude, what is the total length L of the string in the ball?

Text Solution

AI Generated Solution

To find the total length \( L \) of the string in the ball with a radius of 2 meters, we can follow these steps: ### Step 1: Calculate the Volume of the Sphere The formula for the volume \( V \) of a sphere is given by: \[ V = \frac{4}{3} \pi r^3 \] ...
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENT

    RESNICK AND HALLIDAY|Exercise PROBLEM|20 Videos
  • UNITS AND MEASUREMENT

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (SINGLE CORRECT CHOICE TYPE)|31 Videos
  • THE NUCLEUS

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS(Integer Type)|7 Videos
  • VECTORS

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS|39 Videos

Similar Questions

Explore conceptually related problems

A stretched string of length L fixed at both the ends has nodes, where n gt 2 . What is the length of the string in terms of n and lambda ?

On the centre of a frictionless table, a small hole is made, through which a weightless string of lenth 2l is inserted. On the two ends of the strings, two balls of the same mass m are attached, Arrangement is made in such a way that half of the string is on the table top and half is hanging below. The ball on the table top is made to move in a circular path with a constant speed v, What is the centripetal acceleration of the moving ball?

Two balls of masses m_(1) = 0.5 kg and m_(2) = 0.3 kg are connected by a nonstretchable string and slipped on to a horizontal , light rod. The rod is rotated with omega = 110 rpm about a vertical axis passing through its centre. Find the tension of the string and the distance of the masses from the axis of rotation if l=20 cm is the length of the string. Is the equilibrium of the balls stable ?

In fig 1.34 kg ball is connected by means of two mass less strings, each of length L=1.70m, to a vertical, rotating rod. The strings are tied to the rod with separation d=1.70 m and are taut. The tenion in the upper string is 35N. What are the (a) tension in the lower string, (b) magnitude of the net (b) magnitude of the net force vecF_("net") on the all, and (c) speed of the ball? (d) What is the direction of vecF_("net") ?

Two identical balls , each having a charge q and mass m , are suspended from a common point by two insultating strings each of length L . The balls are held at a separation x and then released. Find (a) the electric force on each ball (b) the component of the resultant force on a ball along and perpendicular to string (c ) the tension in the string (d) the acceleration of one of the balls. Consider the situation only for the instant just after the release.

A ball of mass m with a charge q can rotate in a vertical plane at the end of a string of length l in a uniform electrostatic field whose lines of force are directed upwards. What horizontal velocity must be imparted to the ball in the upper position so that the tension in the string in the lower position of the ball is 1.5 times than the weight of the ball?