subject
Physics, 04.09.2020 07:01 val6298

QUIZ Acuve
1
2
3
4
5
6
7
8
9
10
TIME REMAINING
49:55
Omar wrote a hypothesis about batteries called dry cells.
If more dry cells are connected end to end, a light bulb will work longer because there is more energy available.
What are the variables in his hypothesis?
O The independent variable is the number of dry cells, and the dependent variable is the length of time the bulb
works.
O The independent variable is the length of time the bulb works, and the dependent variable is the number of dry
cells
The independent variable is the number of dry cells, and the dependent variable is the amount of energy available.
The independent variable is the amount of energy available, and the dependent variable is the number of dry cells.
Save and Exit
Next
Submit
Mark this and return

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 07:20
If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?
Answers: 3
question
Physics, 22.06.2019 07:20
The softest and hardest minerals are: softest hardest
Answers: 1
question
Physics, 22.06.2019 07:30
Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories
Answers: 3
question
Physics, 22.06.2019 09:50
If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
Answers: 3
You know the right answer?
QUIZ Acuve
1
2
3
4
5
6
7
8
9
10
T...
Questions
question
Mathematics, 08.10.2019 19:00
question
Mathematics, 08.10.2019 19:00
Questions on the website: 13722361