Show:
Speed
Velocity
Acceleration
Relative Motion
Really Hard Stuff
100
A car travels 100 km in 2 hours. What is the speed?
50 km/hr
100
A car travels 6 km north for 3 hours. What is the car's velocity?
2 km/hr north
100
A car goes from 0 to 60 mi/hr in 6 seconds. What is the car's acceleration?
10 mi/hr2
100
If a train is going 80 km/hr and you walk to the front of the train at 1 km/hr, what is your relative velocity?
79 km/hr
100
What is the rate of change of position called?
Speed
200
A plane takes 3 hours to travel 1500 km from Florida to New York. What is the speed of the plane?
500 km/hr
200
If a train takes 8 hours to travel 48 km west, what is the trains velocity?
6 km/hr west
200
A rocket is travelling at 42 m/s and comes to a stop in 2 seconds. What is the rocket's accleration?
-21 m/s2
200
If a train is going 80 km/hr and you walk to the back of the train at 1 km/hr, what is your relative velocity?
81 km/hr
200
What measures the change of position of an object, including direction?
Displacement
300
A train is travelling at 50 km/hr for 10 hours. How far will the go?
500 km
300
How far will a bird fly if it has a velocity of 12 km/hr and flies for 12 hours?
144 km
300
How long will it take a car to stop if it is travelling at 30 km/hr and has an acceleration of -6 km/hr?
5 hr
300
If a plane is flying at 500 km/hr and you throw a ball from the front to the back at 10 km/hr, what is the ball's relative velocity?
490 km/hr
300
What is the rate of change of displacement called?
Velocity
400
How far will a baseball go if it travels at 30 m/s for 0.5 seconds?
15 m
400
An elevator falls at a velocity of 2 m/s for 10 seconds. How far will the elevator fall?
0.2 m
400
If a race car accelerates at 20 m/s2 for 30 seconds. If it's starting velocity is 5 m/s, what is the final velocity?
170 m/s
400
An elevator is falling at 12 m/s. What is your relative velocity if you jump up at 1m/s
11 m/s
400
What is the rate of change of velocity, including speeding up, slowing down and turning?
Acceleration
500
How long will it take a person to walk 14 km at a speed of 4 km/hr?
56 hours
500
How long will it take a horse to run 10 km if it runs at a velocity of 15 km/hr?
150 hr
500
A ball rolls downhill with an acceleration of 1.5 m/s2 for 45 seconds. If the ball started at 1 m/s, what is the final velocity?
46.5
500
An elevator is falling at 12 m/s. What is your relative velocity if you jump down at 1 m/s
Trick question, you can't jump down!
500
If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50 mi/hr?
257.5 mi/hr