Answers SY2025-26 - 2002040 MJ Comprehensive Science 1 Sem 1 CRLab: Motion

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Kai was 200 meters north of the library when he remembered he had to return some books to the library. It took him 200 seconds to do the round trip.Which best describes Kai’s roundtrip?

His speed was 1 m/s, and his velocity was 0.

His speed was 2 m/s, and his velocity was 0.

His speed was 1 m/s, and his velocity was 1 m/s north.

His speed was 2 m/s, and his velocity was 2 m/s south.

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The table represents the speed of a car in a northern direction over several seconds.

Column 1 should be titled “Time,” and Column 2 should be titled “Velocity.”

Column 1 should be titled “Velocity,” and Column 2 should be titled “Time.”

Column 1 should be titled “Time,” and Column 2 should be titled “Acceleration.”

Column 1 should be titled “Acceleration,” and Column 2 should be titled “Time.”

What is determined by calculating the slope of the position vs time graph?

position

velocity

distance

displacement

The graph represents velocity vs. time for Carla.

Carla sped up in the beginning of her trip, stopped, and then slowed down.

Carla had a greater acceleration in the beginning than in the end.

Carla slowed down in the beginning of her trip, stopped, and then sped up.

Carla had a continuous acceleration throughout the entire trip.

The diagram shows organisms a diver observed during an ocean dive.

the ocean surface

the ocean floor

the position of the clownfish

the position of the seaweed

The diagram shows Ned’s movement as he left his house and traveled to different places throughout the day.Which reference point should be used to find out how far Ned traveled when he went from the pet store to the swimming pool?

What kind of acceleration occurs when an object speeds up?

positive

negative

neutral

zero

Xander reached a final velocity of 4.5 m/s in 3.5 seconds. Finley reached a final velocity of 3.6 m/s in 4.2 seconds. Max reached a final velocity of 7.3 m/s in 1.2 seconds. They all started at the same location from rest.

Max Finley Xander

Max Xander Finley

Xander Finley Max

Finley Xander Max

Koto traveled 5,000 meters north from her house with an average velocity of 4.5 m/s.What was the time of her trip? (There are 60 seconds in 1 minute.)

18.5 minutes

20.4 minutes

2 hours

3 hours

What must be included when describing the displacement of an object?

measurement and direction

direction and speed

total distance and position

speed and total distance

Tyler and his family drove from Atlanta to Baltimore. They traveled a total of 678 miles over 2 days.What is the reference point in this scenario?

Atlanta

Baltimore

678 miles

2 days

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