Cengage NEET by C.P Singh
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.
21
Oct
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
21
Oct
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
21
Oct
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
21
Oct
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
21
Oct
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 [...]
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
21
Oct
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 :
21
Oct
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
21
Oct
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 [...]
The potential energy of a certain spring when stretched through a distance ‘S’ is 10 joule. The amount of work (in joule) that must be done on this spring to stretch it through an additional distance ‘S’ will be
21
Oct
The potential energy of a certain spring when stretched through a distance ‘S’ is 10 joule. The amount of work (in joule) that must be done on this spring to stretch it through an additional distance ‘S’ will be Work done from d = 0 m to d = 3 m October 21, 2020 Category: [...]
When a spring is stretched by 2 cm, it stores 100 J of energy. If it is further stretched by 2 cm, the stored energy will be increased by
21
Oct
When a spring is stretched by 2 cm, it stores 100 J of energy. If it is further stretched by 2 cm, the stored energy will be increased by it stores 100 J of energy. If it is further stretched by 2 cm the stored energy will be increased by When a spring is stretched [...]