The chemical symbol always begins with a capital letter.
.
Any source of heat can cause the liquid in the thermometer to rise. Heating the liquid would increase the liquid in the thermometer, as well as adding other liquids that might spark a thermal chemical reaction.
Answer:
a) N
b) m/s
Explanation:
a)
= radius of the orbit = 0.522 x 10⁻¹⁰ m
= magnitude of charge on each proton and electron = 1.6 x 10⁻¹⁹ C
Using coulomb's law , magnitude of electric force on the particle is given as
N
b)
= mass of electron = 9.1 x 10⁻³¹ kg
= speed of electron = ?
Centripetal force is being provided by the electric force, hence
Centripetal force = electric force
m/s
Answer:
A.
collect samples.
Explanation:
The main goal of science is to gain knowledge about the natural world, but this goal is nearly impossible to achieve without technology.
Technologies are products or processes that are created to solve a problem and/or take care of a human need. Technology is often used in science to collect samples, make measurements, collect and store data, analyze data through computations and graphing, and access remote locations, such as outer space.
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