Advertisements
Advertisements
प्रश्न
A body of mass 4 m is lying in xy-plane at rest. It suddenly explodes into three pieces. Two pieces each of mass m move perpendicular to each other with equal speed v. The total kinetic energy generated due to explosion is ______
विकल्प
`mv^2`
`3/2mv^2`
`2mv^2`
`4mv^2`
Advertisements
उत्तर
A body of mass 4 m is lying in xy-plane at rest. It suddenly explodes into three pieces. Two pieces each of mass m move perpendicular to each other with equal speed v. The total kinetic energy generated due to explosion is `underline(3/2mv^2)`.
APPEARS IN
संबंधित प्रश्न
Justify that energy crisis can be overcome with the use of renewable sources of energy.
What problems are being faced by the power sector in India?
Explain the various sources of energy in Tamil Nadu.
A uniform force of `(2hati + hatj)` N acts on a particle of mass 1 kg. The particle displaces from position `(3hatj + hatk)` m to `(5hati + 3hatj)` m. The work done by the force on the particle is ______
An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water of the jet. What is the rate at which kinetic energy is imparted to water?.
A particle is placed at the origin and a force F = kx is acting on it (where k is a positive constant). If U(0) = 0, the graph of U(x) versus x will be (where U is the potential energy function)
A bob of mass m is attached to one end of the rod of negligible mass and length r, the other end of which is pivoted freely at a fixed center O as shown in the figure. What initial speed must be given to the object to reach the top of the circle? (Hint: Use law of conservation of energy). Is this speed less or greater than the speed obtained in section 4.2.9?
Which of the following sector was the largest consumer of commercial energy in 1953-54?
From which of the following sources of generation do we get the largest amount of power?
What is the full form of APDRP?
