If a car travels 250m in 15 seconds, how fast is it going?
16.7 m/s
100
A ____________________ is a place or object used for comparison to determine if something is in motion.
reference point
100
3m = _________ cm?
300
100
It takes Mr. Sauder .5 hours to drive to school. His route is 47 km long. What is Mr. Sauder’s average speed on his drive to school?
94 km/hr OR 1.57 km/m
100
Acceleration is the rate at which _________________ changes.
velocity
200
A train travels 75km in 2 hours and 15 minutes. What was its speed?
.56 km/s OR 33.4 km/hr
200
Give 2 examples of SI units.
:)
200
8 km = _______ dm?
80000
200
How long will it take Churro to scamper across our 34m classroom if she travels at .5 m/s?
68 seconds
200
The three ways that acceleration occurs are ...
increase in speed, decrease in speed, change in direction
300
How far away can you get from the skunk if you can travel at 3m/s and you have 15s before it sprays?
45 m
300
An object is in motion when its ___________________ from another object is changing.
distance
300
_________ mm = ____________ cm?
:)
300
Javan goes for a run. He sprints 100m in 11 seconds, then walks 200m in 25 seconds. Finally, he jogs 400m in 2.75 minutes. What is his average speed for this little run?
3.48 m/s
300
Name 3 parts of a car that could affect its acceleration.
steering wheel, brake, gas pedal
400
After traveling for 6.0 seconds, a runner reaches a speed of 10 m/s. What is the runner’s acceleration?
1.67 m/s/s
400
Describe the difference between constant and average speed.
Constant speed is unchanging over a period of time. Average speed is total distance/total time.
400
340 cm = 3.4 ________?
meters
400
A skateboarder traveling at 7.0 meters per second rolls to a stop at the top of a ramp in 3.0 seconds. What is the skateboarder’s acceleration?
-2.34 m/s/s
400
An arrow traveling at a constant speed of 50km/hr toward a target ... accelerating or not?
Nope (speed and direction unchanged)
500
Lexi launches a spitball 29m through the air. While in flight, it travels at a speed of 11m/s. How long did the spitball remain in the air?
2.64 seconds
500
When you know both the speed and direction of an object's motion, you know the _______________ of the object.
velocity
500
_________dam = _________ dm
:)
500
What was your average velocity if you made the 4400km trip from Pa to Ca in 140 hours?
31.43 km/hr W
500
A baby being pushed in a swing at the park ... accelerating or not?