Question

A projectile of mass 50 kg is shot at an angle 30 degreewith an initial velocity of 100m/s . After 5 seconds it splits into two fragments, one of which having mass 20 kg, travels vertically up with a velocity of 150ms
−1 find the velocity of other fragment

Answer 1

Answer:

$Velocity \: of  \: 50kg \:  mass \: after \:  5sec</p><p></p><p></p><p>tv−μ=g</p><p></p><p></p><p>5v−100=−10</p><p></p><p></p><p>v=50m/s</p><p>using momentum conservation at explosion</p><p>50×50=20×150+30×v</p><p>2500−3000=30×v</p><p></p><p></p><p>⇒30−500=−16.67m/s</p><p></p><p>$

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