Answer:
85 N
Explanation:
Given that crate mass = 20kg
Distance = 6m
Time = 3 seconds
Coefficient of kinetic friction = 0.3
We begin by calculating for acceleration
Which was gotten as 1.33 m/s sq
SEE THE ATTACHEMENT FOR DETAILS
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<span>If the reactants and the products are in a closed container and at equilibrium, so think of "trapping"</span>
Answer:
18.99u or 19u
Explanation:
Mass number=No of protons+No of neutrons


- Fluorine has atomic number=9
- The Electronic configuration is given by
