A) 3 Units
B) 4 units
C) 5 units
D) 10 units
Correct Answer: D
Solution :
\[\overrightarrow{u}=\overrightarrow{4i}+\overrightarrow{3j}\] \[\overrightarrow{a}=0.\overrightarrow{4i}+0.\overrightarrow{3}j\] velocity after 10 seconds is \[V=\overrightarrow{4i}+\overrightarrow{3j}+(0.\overrightarrow{4i}+0.\overrightarrow{3j})(10)\] \[=\overrightarrow{4i}+\overrightarrow{3j}+\overrightarrow{4i}+\overrightarrow{3j}=\overrightarrow{8i}+\overrightarrow{6j}\] magnitude of \[\vec{v}=\sqrt{64+36}=\sqrt{100}=10\,\,units\]You need to login to perform this action.
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