Two particles A and B, move with constant velocities V₁ and V₂. At the initial
Two particles A and B, move with constant velocities V₁ and V₂. At the initial moment their position vectors are…
6 years ago
Work Energy and Power
The heart of a man pumps 5 litres of blood through the arteries per minute at
The heart of a man pumps 5 litres of blood through the arteries per minute at a pressure of 150mm…
6 years ago
On a frictionless surface, a block of mass M moving at speed v collides elastically
On a frictionless surface, a block of mass M moving at speed v collides elastically with another block of same…
6 years ago
A ball is thrown vertically downwards from a height of 20 m with an initially
A ball is thrown vertically downwards from a height of 20 m with an initially velocity v₀. It collides with…
6 years ago
Two similar springs P and Q have spring constants Kp and Kq, such that Kp>Kq.
Two similar springs P and Q have spring constants Kp and Kq, such that Kp>Kq. They are stretched, first by…
6 years ago
A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three
A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three pieces. Two pieces,…
6 years ago
A cricket ball of mass 250 g collides with a bat with velocity 10 m/s
A cricket ball of mass 250 g collides with a bat with velocity 10 m/s and returns with same velocity…
6 years ago
The potential energy of a 1 kg particle free to move along the x-axis is given by
The potential energy of a 1 kg particle free to move along the x-axis is given by V(x)={x⁴/4-x²/2}J. The total…
6 years ago
The height of the dam, in an hydroelectric power station is 10 m. In order to generate
The height of the dam, in an hydroelectric power station is 10 m. In order to generate 1 MW of…
6 years ago
A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work
A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work done by…
6 years ago