Speed
Pete is driving 7th Street. He drives 150 meters in 5 seconds, What is his average speed?
30 m/s
A car starts at 0 meters and travels 100 meters east in 10 sec. What is the average Velocity? (Hint: Remember the direction!)
10 m/s east
A train moves from rest to a speed of 60 m/s in 30 sec. What is its acceleration
+2 m/s2
What is the definition for SPEED?
The distance an object moves over time
What is Ms. Ahlers' favorite drink?
Blue Redbull
A bycyclist rides 15 miles in 2 hours. What is his average speed in mph?
7.5 mph
A student walks from 20 meters to 500 meters in 8 sec. What is the average Velocity?
60 m/s east
a skater increases her speed from 2 m/s to 8 m/s in 3 sec. What is her acceleration?
2 m/s2
What is the definition for CONTROLLED VARIABLE?
the variable that stays the same- Constant.
What is my favorite sport to watch? (extra points for team)
Womens basketball (UCONN!!!!! or Dallas wings)
A train travels 120 m in 2 min, what is the average speed in m/s?
1 m/s
A car is driving towards a restaurant at 750 m but remembers they forgot their wallet at home. They turn around to head home at 15 m. They get there in 15 seconds. What is the average Velocity?
-49 m/s west
If a car going 60 m/s hits the brakes and it takes 1 min 20 sec to stop what is the trains acceleration? (Hint: if its decelerating is it +/-)
-0.75 m/s2
What is the definition for VELOCITY?
an objects SPEED and DIRECTION
How old is Ms. Ahlers'?
22
George is walking to a friends house. He walks 750 meters west then turns around and walks 250 meters east. the entire walk takes him 8 seconds. What is his average speed?
125 m/s
A truck travels 72 kilometers in 1 hour. What is the velocity in m/s? (hint: Theres 1000 min a km)
20 m/s east
A car moving at 12 m/s slows down to 4 m/s over 2 sec. What is her acceleration?
-4 m/s2
What is the definition of ACCELERATION?
The rate of change of an objects velocity
What is my favorite food?
Buffalo chicken dip
A jogger runs 4 km in 30 min, then 2 km in 22 min and finally 1 km in 16 min, What is the average speed in km/min?
0.1 km/min
A hiker walks 50 meters north, realizes they dropped their water bottle and walks 20 m south to find it. this takes 20 sec. What is the average Velocity?
-3.5 m/s south
a car is traveling down the highway at 15 m/s. The driver steps on the gas to pass another car, reaching a speed of 27 m/s after 4 sec. What is the cars acceleration?
12 m/s2
What is NEWTONS THIRD LAW?
When an object exerts a force on a second object, the second object exerts a force with equal strength to the first. (Every action has an equal and opposite reaction)
What college did Ms. Ahlers' go to?
Cornell college