The time required to make a trip of 100.0 km is measured at various speeds. From the graph above, what speed will allow the trip to be made in 2 hours?

Physics 9 Quiz

Quiz
•
Science
•
7th Grade
•
Hard
محمد عطية
Used 1+ times
FREE Resource
32 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
20.0 km/h
40.0 km/h
50.0 km/h
90.0 km/h
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an area of physics that studies motion and its causes?
thermodynamics
mechanics
quantum mechanics
optics
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Listening to your favorite radio station involves which area of physics?
optics
thermodynamics
vibrations and wave phenomena
relativity
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A baker makes a loaf of bread. Identify the area of physics that this involves.
optics
thermodynamics
mechanics
relativity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A hiker uses a compass to navigate through the woods. Identify the area of physics that this involves.
thermodynamics
relativity
electromagnetism
quantum mechanics
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the scientific method, why does a physicist make observations and collect data?
to decide which parts of a problem are important
to ask a question
to make an interpretation
to solve all problems
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the scientific method, how does a physicist formulate and objectively test hypotheses?
by defending an opinion
by interpreting graphs
by experiments
by stating conclusions
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