If you're moving faster now than you were a second ago, your acceleration is positive.
If you're moving slower now than you were a second ago, your acceleration is negative.
it changes the speed
decelration
Acceleration is any change in velocity.
force=mass*accelaration force/mass=accelaration 4/2=2m/s2
accelaration.
5.3sec
When an object is not accelerating at all. It has constant velocity.
Yes!!!
freefall
A proper video card is required.
Yes. Good work !
freefall