A1. Projectiles Flashcards
1
Q
what are projectiles
A
objects thrown or fired through the air
2
Q
what do w mean when we say we only consider the after the force projecting an object has finished
A
air resistance is ignored during projectile calculations, so the only force acting will be the object weight
3
Q
when a projectile is at its maximum height what happens to its velocity
A
vertical velocity = zero
4
Q
if an object is thrown upward the acceleration is?
A
negative = -9.81
5
Q
if an object is thrown down the acceleration is?
A
positive = 9.81
6
Q
what does time=
A
(v-u)/a
