Wednesday

September 3, 2014

September 3, 2014

Posted by **RANDY** on Tuesday, January 15, 2013 at 7:27am.

- SCIENCE -
**Steve**, Tuesday, January 15, 2013 at 11:22amwe do it the same way we figure the average speed. Divide the distance covered (∆s) by the time taken (∆t).

For acceleration, it's the same. The average acceleration is the change in speed (∆v = vf-vi) by the amount of time it takes to make the change (∆t).

a = ∆v/∆t

a*∆t = ∆v

if we start at t=0, then ∆t = t, the time taken:

at = ∆v = vf-vi

or, think about what constant acceleration means. Each second, the velocity changes by a fixed amount (the acceleration). So, after t seconds, the velocity has changed by at. But the amount changed is ∆v = vf-vi. SO,

at = vf-vi

**Answer this Question**

**Related Questions**

Physics PLEASE - I'm trying to derive the formula v^2 = v0^2 + 2a(x-x0) were ...

chem - ok my professor lost me when explaining this material so please bare with...

Algebra help - f(x)=x^3-4x^2-x+4 How do I find the x-intercept for this? This is...

Quick math help - In which step below does a mistake first appear in simplifying...

Physics - Can someone please show me step by step how to normalize e^-5x in the ...

ALGEBRA HELP - When solving the equation, what property was used to go from step...

math - please - How do we manually calculate the Present Value of annuity step ...

CALCULUS - Find a formula for the inverse of the function. y=x^2-x, x>=(...

college algebra - I need help bad. Don't know which formula to use. Please ...

Algebra 1--Step-by-Step - Can someone show me how to solve these step-by-step? ...