Questions
A particle has initial velocity and acceleration . The magnitude of velocity after 10 seconds will be
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a
9 units
b
92 units
c
52 units
d
5 units
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Correct option is C
v→ = u→ +at→= (2i^+3j^) +(0.3i^+0.2j^)×10= 5i^+5j^ ⇒ |v|→= 52 unitsSimilar Questions
A truck travelling due north at 20 ms-1 turns west and travels with same speed. What is the change in velocity?
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