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Erika is on an elevator and presses the button to go down.
When the elevator first begins moving, it has an acceleration of 2.5 m/s2 downward.
Erika and the elevator have a combined mass of 1250 kg.
a) Draw a free-body diagram for the elevator.
b) What is the tension in the cable that provides the upward force on the elevator car?
What does it mean when a coulomb of charge has a certain number of joules?
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Q. Illustrate what are the three particles that make up an atom? Answer:- Atoms are conjured of neutrons, protons, and electrons. The protons as well as neutrons are found
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