Question Answers

A projectile is fired from the top of an 80 m high cliff with an initial speed of 30(m)/(s) at an unknown angle. The speed when its hits the ground. A projectile is fired from the top of an 80 m high cliff with an initial speed of 30(m)/(s) at an unknown angle. The speed [...]

The block is given an initial velocity v0 on smooth curved surface, Its speed when it reaches to B will be Its speed when it reaches to B will be The block is given an initial velocity v0 on smooth curved surface October 21, 2020 Category: Cengage NEET by C.P Singh , Chapter 8 - [...]

A heavy stone is thrown from a cliff of height h with a speed v. The stone will hit the ground with maximum speed if it is thrown A heavy stone is thrown from a cliff of height h with a speed v. The stone will hit the ground with maximum speed if it is [...]

A ball is projected vertically upwards with a certain initial speed. Another ball of the same mass is projected at an angle of 60^∘ with the vertical with the same initial speed. At highest points of their journey, the ratio of their potential energies will be Work done from d = 0 m to d [...]

A stone projected vertically upwards from the ground reaches a maximum height h. When it is at a height (3h)/(4), the ratio of its kinetic and potential energies is A stone projected vertically upwards from the ground reaches a maximum height h. When it is at a height (3h)/(4) the ratio of its kinetic and [...]

In the given figure, circuit symbol of a logic gate and two input waveforms A and B are shown. Write its truth table and give the output waveform. circuit symbol of a logic gate and two input waveforms A and B are shown. Write its truth table and give the output waveform. In the given [...]

Two equal masses are attached to the two ends of a spring of spring constant k. The masses are pulled out symmetrically to stretch the spring by a length x over its natural length. The work done by the spring on each mass is Work done from d = 0 m to d = 3 [...]

Two springs X and Y (kX = 2kY) are stretched by applying forces of equal magnitudes at the four ends. If the energy stored in X is U, that in Y is : that in Y is : Two springs X and Y (kX = 2kY) are stretched by applying forces of equal magnitudes at [...]

An elastic spring of natural length l and force constant k is stretched by a length a .It is further stretched by a length β. The work done in second stretching is An elastic spring of natural length l and force constant k is stretched by a length a .It is further stretched by a [...]

Draw the output waveform for input waveforms A and B shown in figure for OR gate Draw the output waveform for input waveforms A and B shown in figure for OR gate October 21, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,