SATHEE: Kinematics Question 266

Kinematics Question 266

Question: If $| {\vec{V}}_{1} + {\vec{V}}_{2} | = | {\vec{V}}_{1} - {\vec{V}}_{2} |$ and $V_{2}$ it’s finite, then [CPMT 1989]

Options:

A) $V_{1}$ it’s parallel to $V_{2}$

B) ${\vec{V}}_{1} = {\vec{V}}_{2}$

C) $V_{1}$ and $V_{2}$ are mutually perpendicular

D) $| {\vec{V}}_{1} | = | {\vec{V}}_{2} |$

Show Answer

Answer:

Correct Answer: C

Solution:

According to problem $| {\vec{V}}_{1} + {\vec{V}}_{2} | = | {\vec{V}}_{1} - {\vec{V}}_{2} |$
therefore $| {\vec{V}}_{n e t} | = | {\vec{V^{'}}}_{n e t} |$ So $V_{1}$ and $V_{2}$ will be mutually perpendicular.

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Kinematics Question 266

Question: If |V→1+V→2|=|V→1−V→2| and V2 it’s finite, then [CPMT 1989]

Options:

Answer:

Solution:

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Question: If $| {\vec{V}}_{1} + {\vec{V}}_{2} | = | {\vec{V}}_{1} - {\vec{V}}_{2} |$ and $V_{2}$ it’s finite, then [CPMT 1989]