Week 4 PASS (Module 3)

True or false:

Energy is a vector quantity

• True - it's a vector

• False - it's a scalar

What is the coefficient of restitution (e) for an elastic collision?

• e=0

• 0<e<1

• e=1

• 1<e

Which equation represents the velocity of cart 2 relative to cart 1?

• 
• 
• 

Momentum is...

(select all that are true)

• the ability of an object to affect the motion of other objects in a collision

• a scalar

• represented by 'p'

• equal to mass × velocity

• conserved in a closed system

How do you spell intertia?

• inersha

• inercha

• annarta

• all of the abover

How is inertia measured?

• m/s

• kgm/s

• kg/s

• kg

What does ΔU stand for?

• Potential energy

• Change in potential energy

• Change in internal energy

• Change in Uranium