What remains constant in an isolated system when two objects collide without external forces?

Kinetic Energy and Collisions Concepts

Interactive Video
•
Physics, Science, Mathematics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Total angular momentum
Total potential energy
Total linear momentum
Total kinetic energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an elastic collision, what happens to the velocity of an object after it hits a wall?
It becomes zero
It remains the same
It decreases
It increases
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of collision involves objects not bouncing off each other and changing velocities?
Elastic collision
Inelastic collision
Perfect collision
Partial collision
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating kinetic energy?
mv^2
1/2 mv^2
mv
1/2 mv
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of energy commonly used in physics?
Watts
Newtons
Joules
Volts
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to energy in an inelastic collision?
It is partially lost as sound and deformation
It is completely conserved
It increases
It remains unchanged
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a real-life scenario, why is it difficult to have a perfectly elastic collision?
Because of friction
Because of air resistance
Because of gravity
Because of sound and deformation
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