Speed
Velocity
Acceleration
Formulas
Grab bag
100
distance/time
What is the formula for speed?
100
_______+ _________ = velocity
What is speed and direction.
100
Speeding up, slowing down, changing direction
What is the three ways you can accelerate.
100
A car that is driving 90 km/h drives for 3 hours. How far does it go?
What is 270 km.
100
You will know an object is in motion if..
What is the distance to the reference point is changing.
200
An object whose speed does not change.
What is constant speed?
200
m/s westward
What is a unit for velocity?
200
The rate at which velocity changes.
What is acceleration
200
You are running at a rate of 10 km/hour. How long will it take you to run a 5 kilometer long race?
What is 30 minutes or half an hour.
200
A runner starts a race at 8am and finishes it at 9:15 am. The race is 10 km. Whats the average speed of the runner? Put in km/hour.
What is 8 km/hour.
300
Reference point
What is a place or object used for comparison to determine if something is in motion.
300
50 km/sec west = ______ m km/sec
What is 50,000?
300
final velocity - initial velocity / time
What is the formula for acceleration.
300
A dog moving 20 meters in one second has a speed of ____ m / hour?
What is 72,000 m/hour.
300
A biker bikes 10 km in 15 minutes and then 5 km in 5 minutes. What is the average speed of the biker in km/hour?
What is 45 km/hour.
400
International System of units
What is the system all scientists use so that they can communicate information clearly.
400
You are walking to the beach and it takes you 5 minutes to walk 200 meters. Whats your velocity?
What is 40 m/min west.
400
distance/time/time
What is the unit for acceleration.
400
A car traveling 30 m/s speeds up to 65 m/s over a period of 10 seconds. The average acceleration of the car is..
What is 3.5 m/s/s.
400
A car is at rest, then 6 seconds later is going 90 km/hour. What is the acceleration of the car?
What is 15 km/h.
500
505 cm = ____ m
What is 50.5?
500
If your velocity is 10 m/sec north, how long will it take you to go 550 meters north?
What is 55 seconds?
500
How can a dog be accelerating without changing speed?
What is changing direction.
500
The trunk of a tree is 30 cm thick. It grows 2 cm thicker every year. How thick is the tree trunk in 20 years?
What is 70 cm.
500
What is the advantage of the International System of Units?
What is that it is set up in a base ten system and it is easy to convert from one unit to another.
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