E-3 Quiz

Avery, Zoe, and Benjamin are racing their toy cars! Each car has a velocity vector. Can you help them figure out which car is zooming the fastest?

• a

• b

• c

• d

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Rohan and Jackson are racing their carts on a track! Based on the drawn velocity vectors, which cart is zooming ahead at a faster speed?

• Cart 1

• Cart 2

• Same speed

• Cannot say

Tags

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Imagine you're racing toy carts with Ava and Kai! What statement best compares the velocity vectors for Ava's cart at points A and C on the graph below?

• Vector A should be shorter than Vector C because the object has been moving for less time at point A than point C.

• Vector A should be shorter than Vector C because the object is moving at a slower speed at point A than point C.

• Vector A should be pointing left and Vector C should be pointing right because the object is moving different directions at these times.

Tags

NGSS.MS-PS3-1

In a thrilling race, Isla and Benjamin are trying to determine if velocity is a vector. What do you think?

• True

• False

Priya and James are observing a cart zooming along a track. Check out the velocity-time graph of their experiment! Can you figure out between which points the cart's kinetic energy is taking a dip?

• Between points D and E

• Between points A and B

• Between points B and C

• Between points E and F

• Between points D and F

Tags

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Ava and Elijah are on a thrilling roller coaster ride! By evaluating the velocity-time graph of their ride below, can you identify the time interval during which their kinetic energy increases the most?

• Interval A-B

• Interval B-C

• Interval C-D

• Interval E-F

• Interval F-G

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Liam and Charlotte are racing toy cars on a track! Which statement below best supports the moment when Liam's car zooms ahead with the biggest burst of speed?

• This is when the object has the largest increase in speed.

• This is when the object has the largest decrease in speed.

• This is when the object increases speed from 0, which takes the most kinetic energy

• This is when the object decreases speed to 0, which takes the most kinetic energy.

Tags

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In a thrilling physics showdown, Cart A, driven by Michael, collides with Cart B, piloted by Rohan, which is initially at rest. After the epic collision, Cart A slows down while Cart B speeds up. What happens to the kinetic energy between Michael's Cart A and Rohan's Cart B during this exciting encounter?

• The energy remains the same in Cart A, it has nothing to do with the energy in Cart B.

• The energy is converted from Cart A to Cart B

• The energy is transferred from Cart A to Cart B.

• We cannot infer anything about the energy of the carts, only their speed.

Tags

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Evelyn and Anika are conducting a fun physics experiment with a cart zooming down a frictionless track. The only thing that can stop the cart is a gentle push from Anika's hand. Check out the velocity-time graphs below and find out which graph shows the moment Anika's hand touched the cart, marked by the red circle.

• a

• b

• c

• d

Tags

NGSS.MS-PS3-1

Luna and Daniel are analyzing a velocity-time graph during their science class. In the circled part of the graph, do you think a transfer of energy is happening?

• Yes

• No

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