# Math Help - what is that mean

1. ## what is that mean

what is that mean :

Use Formula v = changing of x / changing of v when don't given acceleration :

but use Formula :
v = v0 + at when given acceleration

thanks

2. Originally Posted by r-soy
what is that mean :

Use Formula v = changing of x / changing of v when don't given acceleration :

but use Formula :
v = v0 + at when given acceleration