2nd 6 weeks-physics

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1.
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The mass of an object is determined by:
2.
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How many centimeters tall is a person who is 1.65 meters tall?
3.
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Control variables are those that are changed in an experiment to test some aspect of a physical system. ________________________
4.
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If Lynda can run 2 miles in 15 minutes, what is her speed in miles per hour?
5.
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6. The scientific method is a process used to solve many problems. One of the first steps is:
6.
1 point
All of these are very important parts of studying physics EXCEPT:
7.
1 point
8. Compared to a laboratory cart at the top of a ramp, a cart at the bottom of the ramp has:
8.
1 point
The equation that correctly expresses Newton’s second law is:
9.
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Newton's first law is also known as the law of:
10.
1 point
The inertia of an object is related to its:
11.
1 point
When an object is accelerating due to the force of gravity with no other forces acting on it, it is:
12.
1 point
An object is dropped from rest and falls downward for 3 seconds. What is its average speed?
13.
1 point
5. A factor that affects the behavior of a system is called a(n):
14.
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A carefully designed test done under controlled conditions is called a(n):
15.
1 point
The metric unit of force preferred by scientists is the:
16.
1 point
7. A variable that remains unchanged throughout an experiment is called the:
17.
1 point
Generally, as more energy is added to a system it becomes less stable.
18.
1 point
ball
19.
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Matter is exchanged any time something gets hotter, colder, faster, slower, or changes in any other observable way. ________________________
20.
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The slope of a position versus time graph represents:
21.
1 point
Convert the following quantity of time to seconds.
3:45:12
22.
1 point
A Canada goose flies 150 kilometers in 2.2 hours. What is the speed of the goose?
23.
1 point
9. Of the following objects, the one which has the most mass is:
24.
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System variables can be observed and measured directly in a ____ scale.
25.
1 point
Calculate the number of millimeters in 2.13 kilometers.
26.
1 point
The acceleration due to gravity is:
27.
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The distance an object travels may be calculated by dividing the speed of an object by the time of travel.