Morremouen 2
Objects...
General Equation
Conserves KE?
Type of
Collision
Elastic
Inelastic
Separation
yes
no
bounce
stick together
separate
Conserves
Momertura?
yes
yes
yes
mV+ m - m V+ m2
mvi+ m V2 = (m; + my
(m + m - m vism
1
A6 kg object speeds up from 5 m/s to 20 m/s. Find op
2.
A 10 kg object slows down from 25 m/s to 5 m/s. Find op
3. What is the impulse for 01 above:
What is the impulse for 02 above.
Why or why not?
4.
Can an object ever have a negative kinetic energy?
Why or why not?
5.
Can an object ever have a negative momentum?
6.
If an object's kinetic energy is zero, what is its momentum?
7.
A 2 kg object going 30 m/s feels a -4 N force for 8 seconds, find the object's final velocity. Conservation of Momentum
Equation: Solve:
SIT-m
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