Physics, asked by navya8592, 1 year ago

pls solve this and dont spam

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Answered by sharwari774

3

Answer:D

Explanation:answer is D 3t²√alpha²+beta²

v=speed

v(x)= d(x)/d( t) =3 alpha t²

v(y)=d(y)/(t) =3 beta t²

v=√vx²+vy²

=√ (3alpha t²)²+( 3 beta t²)²

=3t²√alpha ²+ beta²

please mark it as brainliest

me too 1D forever

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