A1. Projectiles

Question 1

what are projectiles

Answer 1

objects thrown or fired through the air

Question 2

what do w mean when we say we only consider the after the force projecting an object has finished

Answer 2

air resistance is ignored during projectile calculations, so the only force acting will be the object weight

Question 3

when a projectile is at its maximum height what happens to its velocity

Answer 3

vertical velocity = zero

Question 4

if an object is thrown upward the acceleration is?

Answer 4

negative = -9.81

Question 5

if an object is thrown down the acceleration is?

Answer 5

positive = 9.81

Question 6

what does time=

Answer 6

(v-u)/a