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Motion Speed Acceler- ation 10 10 10 10 10 10 20 20 20 20 20 20 30 30 Identifying Graphs Measuring Graphs Units 10 10 10 10 10 10 20 20 20 20 20 20 30 30 30 30 30 30 40 40 40 40 40 40 50 50 50 50 50 50
How to identify if an object is in motion
What is… When the position of the object is changing relative to a reference point
The motion of an object used as a reference point
Not moving (stationary) What is… Not moving (stationary)
The speed of the person relative to a seat on the bus. A person is walking at 2 km/hr towards the front of a bus, which is moving at 80 km/hr. The speed of the person relative to a seat on the bus.
What is 2 km/hr?
The speed of the person relative to a tree along the road. A person is walking at 2 km/hr towards the front of a bus, which is moving at 80 km/hr. The speed of the person relative to a tree along the road.
What is… 82 km/hr
The speed of the person relative to a tree along the road. A person is walking at 4 km/hr towards the back of a bus, which is moving at 63 km/hr. The speed of the person relative to a tree along the road.
What is… 59 km/hr?
The formula for speed.
What is… Distance/Time?
The difference between speed and velocity.
Velocity includes direction; speed does not. What is… Velocity includes direction; speed does not.
How much time would it take a car traveling at a speed of 65 km/hr to travel 143 km?
What is… 2.2 hr?
How far does a train traveling at a speed of 78 km/hr travel in 30 minutes?
What is … 39 km?
What is the average speed of a car that travels 1402 m in 2 minutes and then 880 m in 1.5 minutes?
What is… 652 m/min ?
A car that has negative acceleration is doing this.
What is… Slowing down?
How an object moving at a constant speed can be accelerating.
By changing directions? What is… By changing directions?
When an object falls it has an acceleration of this.
What is… 9.8 m/s/s?
The acceleration of a car that starts from a stop and reaches a speed of 60 km/hr in 0.4 min.
What is… 150 km/hr/min ?
The time it takes a train to go from a speed of 120 km/hr to a speed of 260 km/hr if it accelerates at a rate of 10 km/hr/sec.
What is… 14 sec?
The shape of a line on a distance vs time graph that shows constant speed
What is… A straight diagonal line?
The shape of a line on a distance vs time graph that shows acceleration.
What is… A curving line?
The shape of a line on a distance vs time graph that shows no motion
A straight horizontal line? What is… A straight horizontal line?
The shape of a line on a speed vs time graph that shows constant speed
A straight horizontal line? What is… A straight horizontal line?
The shape of a line on a speed vs time graph that shows acceleration.
A straight diagonal line? What is… A straight diagonal line?
The accleration of this graph
0 m/s/s or it is not accelerating? What is… 0 m/s/s or it is not accelerating?
The average speed of this graph
What is… 5 m/s?
The acceleration of this graph:
What is… 3 m/s/min?
The average speed of this graph:
What is… 12 m/s?
Where this graph shows acceleration
What is… Here and here?
The unit for speed when time is in day and distance is in km
What is… Km/day?
The unit for acceleration when speed is in m/s and time is in min
What is… m/s/min?
The unit for time when the unit for acceleration is cm/min/hr.
What is … hr?
The unit for distance when the unit of speed is mm/sec.
What is… mm?
The unit for speed when the unit for acceleration is mi/min2?
What is… mi/min?
Final Jeopardy A math problem Make your wager
A ball fell and hit the ground with a speed of 7. 056 m/sec A ball fell and hit the ground with a speed of 7.056 m/sec. The ball fell from this height…
What is… 2.54 m