1D Kinematics MCQs

Which of the following sets of graphs might be the corresponding graphs of Position, Velocity, and Acceleration vs. Time for a moving particle?

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Tags

NGSS.HS-PS2-1

The displacement x of an object moving along the x-axis is shown above as a function of time t. The velocity of this object must be

• decreasing

• increasing

• constant but not zero

• equal to g

• zero

A whiffle ball is tossed straight up, reaches a highest point, and falls back down. Air resistance is not negligible.Which of the following statements are true?

I. The ball's speed is zero at the highest point.

II. The ball's acceleration is zero at the highest point.

III. The ball takes a longer time to travel up to the highest point than to fall back down.

• I only

• II only

• I and II

• I and II

Tags

NGSS.HS-PS2-1

At time t = 0, car X traveling with speed v₀ passes car Y which is just starting to move. Both cars then travel on two parallel lanes of the same straight road. The graphs of speed v versus time t for both cars are shown above. Which of the following is true at time t = 40 seconds?

• Car Y is in front of car X.

• Car X is accelerating faster than car Y.

• Car Y is passing car X.

• Car Y is behind car X

Ball A is thrown upward with 3 times the velocity of Ball B. How will its maximum height compare to Ball B’s maximum height?

• 2 times higher

• 3 times higher

• 6 times higher

• 9 times higher

• None of the above

The graph given here shows the position vs. time for an object traveling along the x-axis. Which graph below shows the velocity vs. time for this same object during the same time period?

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Above is a graph of the distance vs. time for car moving along a road. According the graph, at which of the following times would the automobile have been accelerating positively?

• 5, 29, & 57 min.

• 5, 12, 29, & 35 min.

• 12, 35, & 41 min.

• 0, 20, 38, & 60 min

Tags

NGSS.HS-PS2-1

At time t = 0, car X traveling with speed v₀ passes car Y which is just starting to move. Both cars then travel on two parallel lanes of the same straight road. The graphs of speed v versus time t for both cars are shown above. Which of the following is true at time t = 20 seconds?

• Car X is accelerating faster than car Y.

• Car Y is passing car X.

• Car Y is in front of car X.

• Car Y is behind car X

Consider a ball thrown up from the surface of the earth into the air at an angle of 30° above the horizontal. Air friction is negligible. Just after the ball is released, its acceleration is:

• 0 m/s²

• Upwards at 9.8 m/s²

• Downwards at 9.8 m/s²

• Upwards at 4.9 m/s²

• None of these

Tags

NGSS.HS-PS2-1

The graph above shows the velocity versus time for an object moving in a straight line. At what time after t = 0 does the object again pass through its initial position?

• Between 0 and 1

• 1 s

• Between 1 and 2 s

• 2s

• Between 2 and 3 s