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ABDI9 · Oct 22, 2011, 05:33 AM

v^-u^/2a=u t 1/2 a t^
make v the subject when a=0.75, u=3.6 and t=10.5

Unknown008 · Oct 22, 2011, 07:36 AM

The aim is to get v alone by adding/subtracting/multiplying/dividing (or other operations) both sides by a certain value.

1. Multiply both sides by 2a.
2. Add u^2 to both sides.
3. Take the square root of both sides.

Can you do that?

ABDI9 · Oct 25, 2011, 01:17 PM

Hi
SORRY FOR THE LATE RESPONSE

V^-U^/2A=UT 1/2 AT^

2A=(V^+U^)(U/T)
_________________*2A
2A

2A=(V^+U^) (V/T)

(2A+U^2) (UT+U^2)
IS THE STEPS CORRECT OF HAVE I MISSED SOMETHING

Unknown008 · Oct 26, 2011, 02:59 AM

I can't understand what you did...

The first step, multiply by 2a on both sides:

$\frac{v^2 - u^2}{2a} \times 2a = $ut + \frac12 at^2$ \times 2a$

Simplify to get:

$v^2 - u^2 = 2a$ut + \frac12 at^2$$

Can you continue?