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Black_prince [1.1K]
3 years ago
13

Which statement correctly describes the differences between positive and negative acceleration?

Physics
1 answer:
damaskus [11]3 years ago
7 0
In my opinion, the third answer makes the most sense
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If your parasympathetic nervous system was activated what might you be doing?
Bezzdna [24]
A. Relaxing under a tree.

The parasympathetic nervous system is known as the “rest and digest” system. Activities that require as little movement as possible help the heart rate to slow down. The other activities would be associated with the Sympathetic nervous system which is known as the “fight or flight,” or when your heart rate is up and running.
8 0
3 years ago
Four identical 2.5 mF capacitors are connected together electrically. What is the greatest possible capacitance of the combinati
MrRa [10]

When capacitors are in PARALLEL, they add up. (like resistors in series)

If you connect these four capacitors in parallel, the combination behaves like a single capacitor of (4 x 2.5) = 10 mF.

That's the greatest capacitance you can make with these four pieces.

7 0
3 years ago
What is a push or pull that acts on a object
sdas [7]

Answer:

Force is defined as a push or pull acting on an object. Forces include gravity, friction, and applied force. Force causes changes in the speed or direction of motion. These changes are called acceleration.

Explanation:

7 0
3 years ago
Materials will have different energies associated with the electrons inside them. This is related to how strongly bound they are
andrey2020 [161]

Answer:

E = 401.3 eV

Explanation:

As we know that the thinnest gap in the direction of metal is given as

t = 3.09 nm

so here we can say that lowest energy of photon will not able to break this electron from above thickness

so we will have

E = \frac{hc}{\lambda}

here we have

hc = 1240 nm-eV}

also we have

\lambda = 3.09 nm

so we will have

E = \frac{1240}{3.09} eV

E = 401.3 eV

7 0
4 years ago
1. What is work done in holding a 15kg suitcase while waiting for a bus for 15 minutes?
Tems11 [23]
Work is (force applied) x (distance through which the force moves).

Since the suitcase doesn't move up or down during the 15 minutes,
no work is done ... zero, zip, nada ... according to the real Physics
definition of 'work'.
6 0
3 years ago
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