Elastic Encounters: Momentum and Energy
Quiz
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Medium
Standards-aligned
Tim Gault
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an elastic collision, what is always conserved?
Mass
Momentum
Volume
Temperature
Tags
NGSS.HS-PS2-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If two objects collide elastically and one is initially at rest, what can we say about their velocities after the collision in a one-dimensional scenario?
Both objects will come to rest.
The moving object will stop, and the stationary object will move with the velocity of the first.
Both objects will move with half of the original velocity.
It depends on the masses of the objects.
Tags
NGSS.HS-PS2-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the total kinetic energy in a perfectly elastic collision?
It increases.
It decreases.
It is converted into potential energy.
It remains the same.
Tags
NGSS.HS-PS3-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two carts of equal mass collide elastically on a frictionless track. If one cart is initially at rest, what will happen after the collision?
The moving cart will stop, and the stationary cart will move with the same speed.
Both carts will move together at half the original speed.
The moving cart will continue with the same speed, and the stationary cart will remain at rest.
The carts will bounce off each other with the same speed in opposite directions.
Tags
NGSS.HS-PS2-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an elastic collision, if the total kinetic energy is conserved, which of the following statements is true?
The objects must have the same mass.
The collision must be head-on.
The objects must be made of the same material.
None of the above.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating the conservation of momentum in a two-object system?
m1v1 + m2v2 = m1v1' + m2v2'
m1v1 - m2v2 = m1v1' - m2v2'
m1v1^2 + m2v2^2 = m1v1'^2 + m2v2'^2
m1 + m2 = m1' + m2'
Tags
NGSS.HS-PS2-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a real-world example of an almost perfectly elastic collision?
A car crash
A football being kicked
Two billiard balls hitting each other
A snowball hitting a tree
Tags
NGSS.HS-PS2-2
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