SRT Impulse.notebook
November 25, 2012
TEAM Senteo TIME!!!
Velocity
Momentum
Force
Impulse
K
A M
T
E
REMEMBER:
O
R
Grab 1 Senteo /team.
Log in using your
Team # as your I.D.
W
are ALL VECTORS!!!
(Direction Counts!!! )
SRT Impulse.notebook
November 25, 2012
Simultaneous Round Table
Solve Patiently wait Pass paper Check work, make Use SENTEO,
corrections, initial Continue…
Click
= ImpulsE
Title Page
SRT Impulse.notebook
November 25, 2012
1) What is the momentum of an 8kg bowling ball rolling at 2 m/s?
1
p = ?
SRT Impulse.notebook
November 25, 2012
2) If the bowling ball rolls into a pillow and stops in 0.5s, calculate the average force exerted on the bowling ball by the pillow.
2
p = 16kg*m /s
2 m /s
0 m /s
0.5s
F = ?
SRT Impulse.notebook
November 25, 2012
3) What average force does the bowling ball exert on the pillow?
3
p = 16kg*m /s
F = ?
F = ­32 N
SRT Impulse.notebook
November 25, 2012
4) What is the momentum of a 50kg carton that slides at 6 m/s across an icy surface?
p = ?
4
SRT Impulse.notebook
November 25, 2012
5) The sliding carton skids onto a rough surface and stops in 3s. Calculate the force of friction it encounters.
p = 300kg*m /s
6 mm /ss
0 mm /ss
3s
5
SRT Impulse.notebook
November 25, 2012
6) If the sliding carton (again moving at 6m/s) skids onto a different surface that generates a friction force of ­40 N, how long does it now take the carton to stop? p = 300kg*m /s
6 mm /ss
0 mm /ss
t = ???
6
SRT Impulse.notebook
November 25, 2012
7) Two spring­loaded carts push away from each other. Which cart moves faster?
a) The less massive cart.
b) The more massive cart.
c) They move at the same speed, just in opposite directions.
4 kg 8 kg
7
A B
C
8 kg
SRT Impulse.notebook
November 25, 2012
8) The previous carts have masses of 8kg and 12kg. The 8kg cart moves away at +6 m/s, how fast is the 12kg cart moving?
?
v = m/s
8
4 kg 8 kg
8 kg
v = 6 m/s
SRT Impulse.notebook
November 25, 2012
9) What Impulse does the 8 kg cart experience as the carts push away from each other?
4 kg 8 kg
9
8 kg
I = ?
SRT Impulse.notebook
November 25, 2012
10) What Impulse does the 12 kg cart experience as the carts push away from each other?
4 kg 8 kg
10
48 N*s
8 kg
I = ?
SRT Impulse.notebook
I
November 25, 2012