Raja nur'ain: no.
Nurul Syazwani : no
Nur Ain Sa'adah Binti Rosli , no .
no.they will not crush
Nurul syahira : no
Nurul Hidayah bt Hassan: Yes
Muhammad Fadil : no
Nope-Nurul Ainin Sofia
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If they have same momentum ,so that, m=boulder > m=boy ,andv=boulder < v=boy If velocity for boulder less than velocity for boy,so they can't crush.
"No,the boulder won't crush the boy" -Aliff Danial 24th of April 2016
Azaira nadiana : no
Nur Syahirah Mohd Nor : No
ASHRAFUL MUBBARAK BIN HUSEINI MY ANSWER IS NO