Chap 4a - Projectile Motion Flashcards

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1
Q

parabolic

A

shaped like a parabola or part of a parabola.

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1
Q

up angle

A

indicates a launch angle that is above the horizontal

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1
Q
A
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1
Q
A
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2
Q
A
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3
Q
A

x-component of position

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3
Q
A

x-component of velocity

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3
Q
A

x-component of the initial velocity

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4
Q
A
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4
Q
A
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5
Q

projectiles, by definition, are in ________ _________

A

free fall

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7
Q
A

displacement

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9
Q

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

A

abstract

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10
Q

launch angle

A

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

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10
Q

projectile

A

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

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11
Q

ay for a projectile on earth

A
  • 9.8 m/s2
13
Q

centripetal

A

center seeking

14
Q

Model the vertical motion of a projectile as

A

Uniform Acceleration

16
Q
A

position vector

18
Q
A

y-component of position

18
Q

launch

A

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

20
Q

trajectory

A

the path followed by a flying object

21
Q
A

y-component of velocity

22
Q
A
22
Q
A
24
Q

ax for a projectile on earth.

A

0

25
Q

parabolic trajectory

A

The path of a projectile has this shape.

27
Q

down angle

A

indicates a launch angle that is below the horizontal

28
Q

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

A

a “ y/x “ graph

30
Q
A
31
Q
A

y-component of the initial velocity

32
Q

parabola

A

These kinds of thingys

33
Q

Model the horizontal motion of a projectile as

A

Constant velocity

34
Q

In projectile motion, the direction of the force _____________.

A

Does not change.

35
Q

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

A

angle