Vocabulary
What is position?
a place where someone or something is located or has been put.
What is speed?
how fast an object is moving;
What is acceleration?
the rate at which velocity changes over time
A positive slope means...
positive acceleration
Name the tallest animal in the world
giraffe
What is motion?
involves a change in the position of an object over time
What is the formula for speed or velocity?
S = distance / time
What is the formula for acceleration?
a = Vf-Vi/time
Negative slope means
negative acceleration
Name the largest mammal in the world
whale
What is velocity?
the speed of something in a given direction.
velocity includes direction
What is the unit for acceleration?
m/s2
What does the line on a distance-time graph represent?
speed
What is the national sport of Canada
ice hockey
What is a scalar?
A number where direction doesn't matter
Jorge runs 15 meters in 3 seconds. What is his speed?
5 m/s
A cyclist accelerates from 0 m/s to 9 m/s in 3 seconds. What is her acceleration?
3 m/s2
On a distance-time graph, how do you know which line has the fastest speed?
steepest slope
What type of race is the Tour de France?
bike race
What is a vector?
A number where direction matters
A car travels 120 miles in two hours. What is its speed?
60 mph
A ball dropped from the top of a building. After 2 seconds, it’s velocity is measures to be 20 m/s. Calculate the acceleration for the dropped ball.
10 m/s2
On a distance-time graph, how does the line look if the object is not moving
flat line
Which year was Abraham Lincoln assassinated?
1865