If a hot air balloon is seen rising above the top of a hill, what is the top of the hill called?
Responses
reference point
reference point
delta point
delta point
coordinate system
coordinate system
distance system
The top of the hill is typically called the summit or peak.
Which example provides a complete scientific description of an object in motion?
Responses
The vibration of the jackhammer broke through the south-facing rock in under 10 seconds.
The vibration of the jackhammer broke through the south-facing rock in under 10 seconds.
The hockey player sent the puck flying toward the north goal to score the winning point.
The hockey player sent the puck flying toward the north goal to score the winning point.
The tiger had to run at 50 kilometers per hour across the field to catch the zebra.
The tiger had to run at 50 kilometers per hour across the field to catch the zebra.
The hiker followed the trail north a distance of two kilometers in thirty minutes.
The hiker followed the trail north a distance of two kilometers in thirty minutes.,
The hiker followed the trail north a distance of two kilometers in thirty minutes.
During which time interval was the motion fastest?
Responses
1 h to 2 h
1 h to 2 h
2 h to 3 h
2 h to 3 h
3 h to 4 h
3 h to 4 h
4 h to 5 h
4 h to 5 h
The available response options do not provide sufficient information to determine the time interval during which the motion was fastest.
Which situation describes the best example of rotational motion?
Responses
The mouse ran in circles around the mousetrap.
The mouse ran in circles around the mousetrap.
Craig sent the pool ball spinning toward the side pocket.
Craig sent the pool ball spinning toward the side pocket.
Sara spun the dreidel on its pointed end.
Sara spun the dreidel on its pointed end.
The skater repeated the figure eight on the ice.