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 ______
पर्याय
`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
What do you mean by transmission and distribution losses? How can they be reduced?
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 ______
A ball of mass 1 kg and another of mass 2 kg are dropped from a tall building whose height is 80 m. After, a fall of 40 m each towards Earth, their respective kinetic energies will be in the ratio of ______
Write the various types of potential energy. Explain the formulae.
What percent of rural households use bio-fuels for cooking?
Which of the following sector was the largest consumer of commercial energy in 1953-54?
Which of the following has the largest source of power in India?
Which of the following is a commercial source of energy?
What problems are being faced by the power sector in India?
Which of the following reforms has been initiated recently to meet the energy crisis in India?
