CC One Dimensional Motion

What is the primary focus of physics as described by Dr. Shini Somara?

• The study of living organisms

• The science of how the universe works

• The exploration of chemical reactions

• The analysis of historical events

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NGSS.HS-PS2-4

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Which of the following is NOT one of the four main conditions of motion discussed in the video?

• Time

• Position

• Mass

• Acceleration

If a car is moving in a straight line and its position changes from 5 meters to 20 meters in 3 seconds, what is its average velocity?

• 5 m/s

• 10 m/s

• 15 m/s

• 20 m/s

In the context of one-dimensional motion, what does a negative displacement indicate?

• The object is stationary

• The object is moving in the positive direction

• The object is moving in the negative direction

• The object is accelerating

Which equation represents the relationship between velocity, initial velocity, acceleration, and time?

What is the unit of acceleration as described in the video?

• Meters per second

• Meters per second squared

• Kilometers per hour

• Newtons

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If a car accelerates from rest at a constant rate of 2 m/s² for 5 seconds, what is its final velocity?

• 5 m/s

• 10 m/s

• 15 m/s

• 20 m/s

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NGSS.HS-PS2-1

Which of the following graphs would best represent a car moving at a constant velocity?

• A horizontal line on a position vs. time graph

• A diagonal line on a position vs. time graph

• A curved line on a position vs. time graph

• A vertical line on a position vs. time graph

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• The sum of values

• The change in a quantity

• The product of values

• The average of values

If a car's velocity changes from 10 m/s to 30 m/s in 4 seconds, what is its average acceleration?

• 4 m/s²

• 5 m/s²

• 6 m/s²

• 8 m/s²

Tags

NGSS.HS-PS2-1