Question

please answer it fast ​

Answer 1

1) unit vector is a vector that has a magnitude of 1 unit. A unit vector is also known as a direction vector. It is represented using a lowercase letter with a cap ('^') symbol along with it. A vector can be represented in space using unit vectors.

2) Acceleration for an object is defined as the rate of change of velocity. Average acceleration for an interval is defined as the change in velocity for that interval per time. So, mathematically acceleration(a)=ΔvΔt.

3)you throw the ball straight upward, or you kick a ball and give it a speed at an angle to the horizontal or you just drop things and make them free fall; all these are examples of projectile motion.

Answer 2

Answer:

I didn't know I need to point