A particle has an initial velocity 3 i A -4 j n- and an acceleration 0-4 i i -0-3 j -Its speed after 10 s isA- 7 unitsB- 10 unitsC- 8-5 unitsD- 7 -2 units

The correct option is D 7 √2 units ...

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Question

A particle has an initial velocity 3 iˆ +4 jˆ and an acceleration 0.4 iˆ + 0.3 jˆ .Its speed after 10 s is

7 √2 units

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7 units

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10 units

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8.5 units

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