<p>Two solids A and B of mass 1 kg and 2 kg respectively are moving with equal linear momentum. The ratio of their kinetic energies&nbsp;<span class="equation">\((K.E.)_A:(K.E.)_B\)</span>&nbsp;will be<span class="equation">\(\frac{A}{1}\)</span>, so the value of A will be________​​​​​​​</p>