If a car speeds up the engine and delivers constant power, then

acceleration is minimum in the beginning

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acceleration is maximum in beginning

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acceleration is constant during the motion

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acceleration is initially constant and then decreases.

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Solution

The correct option is B acceleration is maximum in beginning
$P = \to F . \to V = m a v c o s θ$
$= m a . v$
Since the speed is less initially, acceleration must be high.

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If a car speeds up the engine and delivers constant power, then

The correct option is B acceleration is maximum in beginningP=→F.→V=ma v cos θ =ma.v Since the speed is less initially, acceleration must be high.

The correct option is B acceleration is maximum in beginning
$P = \to F . \to V = m a v c o s θ$
$= m a . v$
Since the speed is less initially, acceleration must be high.