Explanation:
a. Average speed = distance / time
= 100 m / 70 s
= 1.43 m/s
b. Average displacement = displacement / time
= 0 m / 70 s
= 0 m/s
Distance is the length of the path traveled. Displacement is the difference between the final position and initial position.
Answer:
From ohms law,
V=IR
R=V/I =12.0/150 =0.08 ohm.
Candle burning because it’s going from a solid to a liquid
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Answer:
The electron
Explanation:
The atom consists of three subatomic particles:
- The proton: protons are inside the nucleus of the atoms, they have positive charge of +e (
), and a mass of approximately 
- The neutron: neutrons are also located inside the nucleus of the atoms, they have no electrical charge and mass similar to the mass of the proton
- The electron: electrons orbit around the nucleus in a cloud, they have negative charge of -e (
), and their mass is about 1800 time smaller than the mass of the proton (
)
