Vocab
The total path an object has travelled.
Distance
Speed formula.
Speed=distance/time
John walked 6 meters East, then turned around and walked 2 meters west. What is John’s distance.
8 meters.
Trevor Rogers pitches a fastball that travels 37 meters in 2 seconds. How fast was his pitch?
18.5 meters/second
An eagle flies roughly 10,000 kilometers per day, convert this to meters.
10,000,000 meters.
Change in an objects position defined as a straight line from its starting point to its ending point.
Displacement
Distance formula.
Distance=(speed)(time)
Sally runs 2 laps around the 400 meter track outside the school. What is sallys displacement?
0 meters.
Lewis Hamilton has a big race. He drives 98.7 mph for 30 minutes (0.5 hour) around the track and finishes first. How far did he drive?
49.35 miles
An American Football field is approximately 91 meters long. Convert from meters to millimeters.
91000 millimeters
Rate at which an object moves without direction.
Speed
Velocity formula.
Velocity=displacement/time
Peter walked 4.5 meters west, then walks 6 meters north. What is peters displacement? (Hint… you’re solving for the hypotenuse).
Jayden Daniel’s throws a football 64 meters down the field to Deebo Samuel Sr. at 27 meters/second. How much time did it take for the ball to reach Deebo?
2.4 seconds.
A tennis player drank .01 decaliters of Gatorade during her tennis match. Convert to centiliters.
10 Centiliters
Rate of change of an objects displacement (includes speed and direction).
Velocity
Acceleration formula.
Acceleration=(final velocity)-(initial velocity)/total time
Lamar Jackson runs a total distance of 52 meters in 5 seconds. However, his displacement is 50 meters. What is Lamar’s velocity?
10 meters/second
A train travels down a track at 45 mph for 82 miles. How many hours has the train been driving for, and how long will the train have been driving for when it reaches 90 miles?
1.8 hours…2 hours.
Wally buys 87 grams of salt from the store, his recipe calls for 15 kg of salt. How much more salt does Wally need to buy?
14.9 kilograms
Rate of change of an objects velocity.
Acceleration
Pythagorean theorem.
a^2+b^2=c^2
Sally runs a marathon (40.56km) in 3.5 hours. She finishes the race at her starting point, what is her average velocity for the race?
0 km/hr
44 mph
The baker bakes a cake with 47 grams of chocolate. She realizes after its in the oven that her cake was only supposed to have 47 milligrams of chocolate! How much extra chocolate did she put in the cake (answer in mg)?
46,953 milligrams of chocolate.