MCQ
A $4 \,kg$ mass and a $1\, kg$ mass are moving with equal kinetic energies. The ratio of the magnitudes of their linear momenta is
- A$1:2$
- B$1:1$
- ✓$2:1$
- D$4:1$
✓
Answer
Correct option: C.
$2:1$
c
(c)$P = \sqrt {2mE} .$ If $E$ are const. then $\frac{{{P_1}}}{{{P_2}}} = \sqrt {\frac{{{m_1}}}{{{m_2}}}} = \sqrt {\frac{4}{1}} $$= 2$
(c)$P = \sqrt {2mE} .$ If $E$ are const. then $\frac{{{P_1}}}{{{P_2}}} = \sqrt {\frac{{{m_1}}}{{{m_2}}}} = \sqrt {\frac{4}{1}} $$= 2$
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