What does a horizontal line in a velocity graph indicate?
The object is at rest (no movement)
What is the formula for time?
Distance/ Speed
What goes on the x axis?
time
Ms. Gissubel is given a speeding ticket for driving through a neighborhood. She traveled an average speed of 30 mph. The speed limit in the neighborhood is 30 mph. Is she guilty or innocent?
Guilty! Her speed changed throughout the trip. At the time of the ticket, she was probably going faster.
A porcupine moved toward a pond at a speed of 5 m/s. It took him 8 seconds. What was the distance he traveled?
40 meters
Why is it important to know the velocity of a hurricane and not just the speed?
Velocity includes direction. Knowing only the speed does not tell us what direction it is moving.
Look at the picture on the board. How long were they stopped total?
10 seconds
Mrs. Quinn goes to her sister's house in Basking Ridge in 1 hour. She returns back to Middletown in 2 hours (ugh traffic). Basking Ridge and Middletown are 75 km away. What is her average speed for the whole trip?
50 km/h
What is the formula for distance?
speed x time
Look at the graph on the board. How fast were they traveling at 1 second?
10 meters