Physics 12
Newtonian Physics Projectiles III
Mr. Jean
The plan:
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•
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Video clip of the day
Lab safety contracts
Projectile Motion
Phet labs
Video clip of the day
• https://www.youtube.com/watch?v=AeTzfs
Da6EU
Phet Projectiles
• http://phet.colorado.edu/en/simulation/proj
ectile-motion
Questions to try:
Questions to try:
In class work:
• Try the backside of this page right now.
– Individually or with a partner.
• Use your notes and your textbook to help
you through these exams.
Angle of Impact:
Total Velocity at IMPACT:
Projectile Challenge Question:
(Medium/Difficult)
• Tom is an expert jumper. His hang time is
0.95 seconds.
– How high can Tom jump?
Projectile Challenge Question:
(Medium/Difficult)
• Tom is an expert jumper. His hang time is
0.95 seconds. How high can Tom jump?
Problems:
•
A ball is dropped from the top of CN tower
which is 440m above ground. The acceleration
of gravity is -9.81m/s2. How long does it take
for the ball to hit the ground?
•
A golf ball is hit straight up with the initial
velocity of 50m/s. This action takes place on
the moon. The moon’s gravity is -3.4m/s2. How
long does it take for the ball to hit the ground if
the maximum height is 357.2m?
Suggested questions from
textbook:
• P. 536
-4-8
• P. 543
– 9 -12