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Initial velocity — OCR GCSE Combined Science A Definition

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Combined Science
Key terms
Initial velocity

GCSE Combined Science · key term

Initial velocity

Definition

The velocity at the start of the time interval being considered, represented by $u$ .

Used by OCR

How each exam board covers it

OCR GCSE Combined Science A · J250

Specification PM2.1ii, PM2.1iii · Biology Paper 1, Biology Paper 2, Chemistry Paper 1, Chemistry Paper 2, Physics Paper 1, Physics Paper 2

If an object is moving in that positive direction and slows down, its final velocity is smaller than its initial velocity.
Revise: Acceleration Equation
The velocity at the beginning of the interval being considered, represented by $u$ .
Revise: Kinematic Equation

Exam tips

1
Subtract initial velocity from final velocity: $v-u$ , not $u-v$ .

Related key terms

Acceleration
Deceleration
Final velocity
Velocity
Change in velocity

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OCR Combined Science A past papers

Uniform acceleration