05d. Distance, Displacement, Projectile Motion

Question 1

Define distance

Answer 1

Distance is the path travelled from start to finish, regardless of direction

Question 2

Define displacement

Answer 2

Displacement is the difference between the initial position and final position of an object

Question 3

Angular Distance

Answer 3

Equals the angular distance covered by a rotating body

Question 4

Angular displacement

Answer 4

Equals the change between the initial and final position of a rotating object

Question 5

Define Speed

Answer 5

Speed is the rate of motion.

Question 6

Define velocity

Answer 6

Velocity measures the displacement an object experiences over time.

Question 7

List the factors that influence the air resistance a projectile will be subject to.

Answer 7

Mass, shape, surface area, nature of surface area, gravity

Question 8

List the three factors that effect projectile motion

Answer 8

Height, angle and speed of release

Question 9

What is difference between distance and displacement?

Answer 9

Distance is a measure of path travelled whereas displacement is a measure that compares starting to finishing position.

Question 10

In a 400m sprint around the oval what is the distance and displacement?

Answer 10

Distance = 400m
Displacement = 0m

Question 11

If the landing height is lower than the release height then angle of release should be?

Answer 11

lower than 45 degrees

Question 12

If the landing height is higher than the release height then angle of release should be?

Answer 12

greater than 45 degrees

Question 13

If the landing height and release height are similar, what should the angle of release be?

Answer 13

approx. 45 degrees

Question 14

Define Acceleration

Answer 14

Acceleration is the rate of change of the velocity of an object