Chap 4a - Projectile Motion

Question 1

parabolic

Answer 1

shaped like a parabola or part of a parabola.

Question 1

up angle

Answer 1

indicates a launch angle that is above the horizontal

Question 1

Answer 1

Question 1

Answer 1

Question 2

Answer 2

Question 3

Answer 3

x-component of position

Question 3

Answer 3

x-component of velocity

Question 3

Answer 3

x-component of the initial velocity

Question 4

Answer 4

Question 4

Answer 4

Question 5

projectiles, by definition, are in ________ _________

Answer 5

free fall

Question 7

Answer 7

displacement

Question 9

an x/t graph is an _________ representation of the motion.

Answer 9

abstract

Question 10

launch angle

Answer 10

the angle between the initial trajectory of a projectile and the horizontal direction.

Question 10

projectile

Answer 10

an object that moves in two dimensions under the influence of gravity only.

Question 11

a_y for a projectile on earth

Answer 11

• 9.8 m/s²

Question 13

centripetal

Answer 13

center seeking

Question 14

Model the vertical motion of a projectile as

Answer 14

Uniform Acceleration

Question 16

Answer 16

position vector

Question 18

Answer 18

y-component of position

Question 18

launch

Answer 18

The period of time when a projectile is being accelerated up to speed.

Question 20

trajectory

Answer 20

the path followed by a flying object

Question 21

Answer 21

y-component of velocity

Question 22

Answer 22

Question 22

Answer 22

Question 24

***a******_x*** for a projectile on earth.

Answer 24

0

Question 25

parabolic trajectory

Answer 25

The path of a projectile has this shape.

Question 27

down angle

Answer 27

indicates a launch angle that is below the horizontal

Question 28

what type of graph shows the actual trajectory of a projectile?

Answer 28

a " y/x " graph

Question 30

Answer 30

Question 31

Answer 31

y-component of the **_initial_** velocity

Question 32

parabola

Answer 32

These kinds of thingys

Question 33

Model the horizontal motion of a projectile as

Answer 33

Constant velocity

Question 34

**In projectile motion, the direction of the force \_\_\_\_\_\_\_\_\_\_\_\_\_.**

Answer 34

**Does not change.**

Question 35

In projectlie motion, the force is at an ________ to the diretion the object is moving.

Answer 35

**angle**