Vocab, Vocab, Vocab
____ is the rate of change of motion.
What is Speed?
The slope in a Distance-Time graph represents the objects ____.
Speed/Velocity
What is the speed of a rocket that travels 9000 meters in 11.7 seconds?
769.2 m/s
In 0.5 seconds, a projectile goes from 0 to 400 m/s. What is the acceleration of the projectile?
800 m/s2
What is the day after Thanksgiving known as?
Black Friday
____ describes both speed and direction.
What is Velocity?
A straight line (aka Linear) in a Distance-Time graph means that ____
Object is going at a constant speed, no acceleration.
What is the speed of a jet plane that travels 532 meters in 4 seconds?
133 m/s
Samantha jumps off the starting line at States and reaches a speed of 5 m/s in 2 seconds. What is her rate of acceleration?
2.5 m/s2
What day every year is the Thanksgiving holiday observed in the United States?
4th Thursday in November
____ is the rate of change of velocity.
What is Acceleration?
A flat line (horizontal line) in a Distance-Time graph means that ____
The object is not moving aka the object has stopped.
A boat travels at a speed of 25 miles/hour while in still waters. The same boat is traveling downstream with the current, and the river's current is 5 miles/hour. In 3 hours, how far would the boat have traveled in miles?
90 miles
Your friend slams on the breaks and stops because he didn't see the light changing. Your initial velocity was 55 miles/hour and you stopped in 5 seconds. What is your deceleration rate?
-11 miles/hour*seconds
Which colony did the first U.S. harvest feast of Thanksgiving take place?
Plymouth Colony
A racecar is traveling around a circular track at a constant speed of 75 miles per hour. Describe the objects speed, velocity, and acceleration.
Constant speed, velocity is changing because the direction is changing, it is accelerating because velocity is changing.
The slope of a Speed-Time graph represents the object's ____.
Accerlation
What is the speed of a walking person in m/s if the person travels 950 meters in 9 minutes?
1.8 m/s
A train is traveling at a velocity of 350 m/s and starts to decelerate at a rate of 10 m/s2. What will its velocity be after 15 seconds?
200 m/s
Where do wild turkeys like to sleep?
Trees
Two girls ate dinner together.
They both ordered iced tea.
One girl drank them very fast and had finished five in the time it took the other to drink just one.
The girl who drank one died while the other survived.
All of the drinks were poisoned.
How is that possible?
The poison was in the ice.
A flat line (aka a horizontal line) in a Speed-Time graph means that ____
There is no acceleration because the object is moving at a constant speed/velocity.
How far (in meters) will you travel in 2 minutes running at a rate of 6 m/s?
720 m
What kind of candy do vampires eat?
Suckers
In A Charlie Brown Thanksgiving, what does Charlie Brown serve to his friends for Thanksgiving dinner?
Pretzels, Popcorn, and Jellybeans