A shell of mass 200 g is ejected from a gun of mass 4 kg by an explosion

A shell of mass 200 g is ejected from a gun of mass 4 kg by an explosion that generates 1.05 kJ if energy. This initial velocity of the shell is:

Options

(a) 100 ms⁻¹
(b) 80 ms⁻¹
(c) 40 ms⁻¹
(d) 120 ms⁻¹

Correct Answer:

100 ms⁻¹

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. A body under the action of a force F⃗ = 6i⃗–8j⃗+10k⃗, acquires an accelerationof 1 m/s². The mass of this body must be
  2. To convert a 800 mV range millivoltmeter of resistance 40Ω into an ammeter of 100 mA
  3. The phase difference between two points seperated by 0.8 m in a wave of frequency
  4. Fission of nuclei is possible because the binding energy per nucleon in them
  5. Core of electromagnets are made of ferromagnetic material which has