E2: acceleration/ projectile motion

Question 1

acceleration unit

Answer 1

m/s^2

Question 2

9.81m/s^2 is the acceleration due to ___

Answer 2

gravity

Question 3

Jimmy changes his velocity from 3.3m/s to 4.8m/s to cover the final 100m. it takes him 3.3 seconds. what is the acceleration.

Answer 3

0.42m/s^2

Question 4

instantaneous acceleration is using ___ instead of position

Answer 4

velocity

Question 5

instantaneous accel = change in __ / change in __

Answer 5

velocity, time

Question 6

key with sprinting, its about how fast you can __

Answer 6

accelerate

Question 7

with sprinting, the key is your accelerator ___ to get up to speed

Answer 7

muscle

Question 8

what are accelerator muscles

Answer 8

glutes, hamstrings

Question 9

hamstrings are used for ___ acceleration

Answer 9

positive

Question 10

__ are used to prohibit de-acceleration

Answer 10

quads

Question 11

linear kinematics is applied to __ path in lifting

Answer 11

bar

Question 12

reliable lifters are the most ___

Answer 12

consistant

Question 13

can your cell phone measure linear kinematics?

Answer 13

yes

Question 14

linear kinematics analysis the __-

Answer 14

motion

Question 15

force vector aims to give a quantity to __

Answer 15

direction

Question 16

with movement there’s a ___ force and __ force

Answer 16

vertical, horizontal

Question 17

an diangle angle between vertical and horizontal forces is used to measure muscle ___

Answer 17

force

Question 18

force vectors in sports: projectile ___

Answer 18

motion

Question 19

42 degree angle in shotput is optimal because this allows for more horizontal force to __ ___

Answer 19

continue rolling

Question 20

key variables of linear projectiles: (3)

Answer 20

trajectory angle, velocity of release, max height