Question

7 Write the formula of velocity, speed & acceleration​

Answer 1

This formula may be written a = Δv ÷ Δt. Since velocity includes both speed and direction, changes in acceleration may result from changes in speed or direction or both. In science, the units for acceleration usually will be meters per second per second (m/s/s) or meters per second squared (m/s2).

Answer 2

Explanation:

velocity 

v(t)=dxdt,

acceleration 

a(t)=dvdt=d2xdt2.

speed

speed = distance ÷ time

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