Answer:
Now this just because of decrease in acceleration while moving in upward direction. Just because she faced the upward hill and to accelerate at the same rate while moving upward always need some upward force but as janice was not applying any sort of large amount of force but however she was skating she faced faced the decrease in acceleration.
Explanation:
Due to decrease in acceleration she slowed downed while moving upward.
The graph attached can be well understood to analyze the scenario.
<h3>
Answer:</h3>
All atoms of the same element have the same number of protons
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Explanation:</h3>
- Atoms are the smallest particles of elements that can take part in a chemical reaction.
- Atoms of an element have the same number of protons but may have a different number of electrons or neutrons.
- Atoms of the same element with different neutrons are called isotopes.
- An element may have two or more isotopes. For example, oxygen isotopes; oxygen-16, oxygen-17 and oxygen-18.
- Atoms may have a different number of electrons when they lose or gain an electron(s) to attain a stable configuration.