A cannon ball is fired with a velocity $$200$$ $$ms-1$$ at an angle of $$60$$° with the horizontal. At the highest point of its flight, it explodes into $$3$$ equal fragments, one going vertically upwards with a velocity $$100$$ $$ms-1$$, the second one falling vertically downwards with a velocity $$100$$ $$ms-1$$. The third fragment will be moving with a velocity

Question

A cannon ball is fired with a velocity $$200$$ $$ms-1$$ at an angle of $$60$$° with the horizontal. At the highest point of its flight, it explodes into $$3$$ equal fragments, one going vertically upwards with a velocity $$100$$ $$ms-1$$, the second one falling vertically downwards with a velocity $$100$$ $$ms-1$$. The third fragment will be moving with a velocity

Infinity Learn · Accepted Answer

At highest point, pi $$=$$ pf and perpendicular velocity $$=$$ $$0So$$,       (3m)(100i^)=m(100j^)-m(100j^)+m(v)∴                        $$v=300i^$$ (of$$ third $$part)

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