find the angle of projection at which the horizontal range is twice the maximum height of a projectile.

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

Acoyote chasing a rabbit is moving 8.00 m/s due east at one moment and 8.80 m/s due south 4.25 s later. let the x axis point due east and the y axis point due north. find the direction of the coyote's average acceleration during that time.

What is the measure of a change in an objects velocity?