2 years ago

Review:

1 answer:

3 0

Answer:

1. 1. A quantity is completely described by magnitude alone. A quantity Is completely described by a magnitude with a direction.

[a]. scalar, vector

b. vector, scalar

2.2. Speed is a velocity is a quantity and quantity.

a. scalar, vector

[b]. vector, scalar

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Answer:

0.8 meters.

I just answered this ame question myself on a test I was taking.

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3 years ago

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the human nervous system can propagate nerve impulses at about 10 squared metered per second. estimate the time it takes to trav

rusak2 [61]

Use the formular d = v x t
d = 2m
v= 100m/s

t= d / v
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3 years ago

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A circuit contains two light bulbs connected in parallel. What would happen to the brightness of each light bulb if two more lig

laila [671]

Answer;

C. The brightness of each bulb would remain the same even though the total resistance of the circuit would decrease.

Explanation;

-If light bulbs are connected in parallel to a voltage source, the brightness of the individual bulbs remains more-or-less constant as more and more bulbs are added to the circuit.

-The current increases as more bulbs are added to the circuit and the overall resistance decreases. In addition, if one bulb is removed from the circuit the other bulbs do not go out. Each bulb is independently linked to the voltage source

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3 years ago

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This list shows the heights in feet of the 30 tallest mountains in the United States. 14,269 14,361 14,470 14,831 16,237 14,270

antoniya [11.8K]

Answer: a. Frequency. 20, 4, 3, 1, 1, 0, 1

Explanation:

Interval(Height in feet) - - - - - - - - frequency

14000 - 14999 - - - - - - - - - - - - - - - 20

15000 - 15999 - - - - - - - - - - - - - - - 4

16000 - 16999 - - - - - - - - - - - - - - - 3

17000 - 17999 - - - - - - - - - - - - - - - 1

18000 - 18999 - - - - - - - - - - - - - - - 1

19000 - 19999 - - - - - - - - - - - - - - - 0

20000 - 20999 - - - - - - - - - - - - - - 1

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3 years ago

A force can exist between two charged particles or objects even if they're as small as subatomic particles. Between which of the

ASHA 777 [7]

If both particles have the SAME electrical charge, then they repel.
If they have DIFFERENT electrical charge, then they attract.

Protons have + charge .
Electrons have - charge .

So two protons (A) or two electrons (D) push apart.

One proton and one electron (C) pull together.

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3 years ago

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