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A bob of mass m is projected with a horizontal velocity v = root gl/2 as shown in Fig. 8.224. In consequence, it moves in a circular path in a vertical plane by the inextensible string which passes A bob of mass m is projected with a horizontal velocity v = root gl/2 as shown [...]

Prove that root5 is irrational. Prove that root5 is irrational. October 3, 2020 Category: Chapter 1 - Real Numbers , Exercise 7.1 , Maths , NCERT Class 10 ,

Two blocks are connected by a massless string that passes over a frictionless peg as shown in Fig. 8.223. One end of the string is attached to a mass m1 = 3 kg, i.e., a distance R = 1.20 m from the peg. a distance R = 1.20 m from the peg. i.e Two blocks [...]

A constant force F pushes the block m till the wedge M starts sliding. If the stiffness of the light spring connecting M and m is K, coefficient of friction between block and wedge is mu 1 A constant force F pushes the block m till the wedge M starts sliding. If the stiffness of [...]

A block A of mass m is held at rest on a smooth horizontal floor. A light frictionless, small pulley is fixed at a height of 6 m from the floor. A light inextensible string of length 16 m , connected with A passes over the pulley A block A of mass m is held [...]

There is a circular path around a sports field. Sonia takes 18 mins. to drive one round of the field,while Ravi takes 12 mins for the same . Suppose they both start at the same point and at the same time,and go in the same direction. after how many minutes will the meet again at [...]

Explain why 7 x 11 x 13 + 13 and 7 x 6 x 5 x 4 x 3 x 2 x 1 + 5 are composite numbers. Explain why 7 x 11 x 13 + 13 and 7 x 6 x 5 x 4 x 3 x 2 x 1 + 5 are composite [...]

Check whether 6^n can end with the digit 0 for any natural number n. Check whether 6^n can end with the digit 0 for any natural number n. October 3, 2020 Category: Chapter 1 - Real Numbers , Exercise 1.1 , Maths , NCERT Class 10 ,

A vehicle of mass m starts moving along a horizontal circle of radius R such that its speed varies with distance s covered by the vehicle as c = K root s, where k is a constant. Calculate: a. Tangential and normal force on vehicle A vehicle of mass m starts moving along a horizontal [...]

Find the LCM and HCF of the following integers by applying the prime factorisation method. 8, 9, 25 25 9 Find the LCM and HCF of the following integers by applying the prime factorisation method. 8 October 3, 2020 Category: Chapter 1 - Real Numbers , Exercise 1.1 , Maths , NCERT Class 10 ,