A shell is initially at rest high above Earth when it explodes into three fragments

PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

6.0\,\text{kg}

shell is initially at rest high above Earth when it explodes into three fragments. Fragment A has mass

1.0\,\text{kg}

and moves due east at

30\,\text{m/s}

. Fragment B has mass

2.0\,\text{kg}

and moves due north at

15\,\text{m/s}

. Ignoring any external forces during the explosion, what is the speed and general direction of the

3.0\,\text{kg}

fragment C? (a)

14\,\text{m/s}

toward the southeast (b)

14\,\text{m/s}

toward the southwest (c)

21\,\text{m/s}

toward the southwest (d)

10\,\text{m/s}

toward the southwest