Science Motion Flashcards

1
Q

The unit of speed you need to use in this class is

A

m/s

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2
Q

The distance vs. time graph of an object speeding up would look like

A

a curved line getting steeper

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3
Q

The velocity vs. time graph of an object speeding up going forward would look like

A

diagonal up to the right, and in the positive

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4
Q

The velocity vs. time graph of an object speeding up in reverse (the negative direction)

A

diagonal down to the right, and in the negative

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5
Q

If you are traveling a certain distance, and the speed doubles, what should happen to the time needed?

A

it will be half

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6
Q

The position vs. time graph of an object moving with a constant speed in the positive direction from BEHIND the detector would look like

A

diagonal up to the right, in the negative

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7
Q

The velocity vs. time graph of a non-moving object would look like

A

a horizontal line at zero

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8
Q

During the race, the tortoise has the greatest average speed.

A

True

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9
Q

If you were accelerating (changing speed), what would your DISTANCE vs. TIME graph look like?

A

It would be curved

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10
Q

A position graph of an object moving away from the detector at a constant speed would look like

A

A straight line going up and to the right

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11
Q

If an object moving in one direction caused the line on a DISTANCE vs. TIME graph to be down and to the right, movement at the same speed but in the opposite direction would cause

A

A line with the same steepness, but slanting up to the right

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12
Q

The position vs. time graph of an object moving with a constant speed in the positive direction (away from the detector) will be…

A

diagonal up to the right, and in the positive

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13
Q

In general, if an object is traveling at uniform speed, at it travels for twice as much time, its distance traveled should

A

double

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14
Q

During the race, the toroise has the greatest instantaneous speed.

A

false

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15
Q

If you were accelerating (increasing speed) at a uniform rate, what should your VELOCITY (speed) vs. TIME graph look like?

A

A straight, diagonal line (similarly, this is sort of redundant, since lines are straight by definition).

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16
Q

If you moved away from a motion detector at a constant speed, what would your VELOCITY (speed) vs. time graph look like?

A

It is a flat, horizontal line, but not at zero.

17
Q

The distance vs. time graph of an object slowing down would look like

A

a curved line getting less steep

18
Q

What happens to the position graph of distance vs. time if the speed doubles?

A

The slope of the line gets 2x steeper

19
Q

The velocity vs. time graph of an object moving with a constant speed in the positive direction (away from the detector) will be…

A

a positive horizontal line

20
Q

What happens to the position graph of distance vs. time if the speed doubles?

A

The slope of the line gets 2x steeper