Question : A particle has initial velocity (2𝑖̂+ 3𝑗̂) and acceleration (0.3𝑖̂+ 0.2𝑗̂). The magnitude of velocity after 10 seconds will be
(A) 9√2 units
(B) 5√2 units
(C) 5 units
(D) 9 units
Answer : option (B)
Solution :
A particle has initial velocity (2𝑖̂+ 3𝑗̂) and acceleration (0.3𝑖̂+ 0.2𝑗̂). The magnitude of velocity after 10
seconds will be
with
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