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N76 [4]
3 years ago
10

An instrument is defective for all of the following conditions EXCEPT:_______

Physics
1 answer:
NARA [144]3 years ago
6 0

Answer:

I believe its C

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In your own words, explain why sinkholes are very common in Florida. List one use of sinkholes in Florida.
melamori03 [73]
Florida's<span> peninsula is made up of porous carbonate rocks such as limestone  When the dirt, clay or sand gets too heavy for the limestone roof, it can break  and form a </span>sinkhole<span>. </span>Sinkholes<span> are caused naturally. 

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3 years ago
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A 500 kg table with 4 legs rests on solid flat ground. I place 3 books on the center of the table with masses of 10 kg, 20 kg an
BARSIC [14]

Answer:

1,373.4 N

Explanation:

The mass of the table acts at the centre in addition to the books since that is the centre of gravity of the table.

Mass of books will be 10kg+20kg+30kg=60 kg

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This mass is evenly distributed into the four legs hence 560kg/4 legs=140 kg per leg

Force is product of mass and acceleration due to gravity hence F=gm

Taking g as 9.81 m/s2 then

F=140*9.81=1,373.4 N

Therefore, rhe normal force is equivalent to 1,373.4 N

6 0
3 years ago
Which statement best describes the relationship between an object's density and its index of refraction? as the optical density
babunello [35]
For future references, the answer is B.
4 0
3 years ago
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If your car runs out of gas and you must push it 250 m to the nearest gas station. How much work is done on the car if it is pus
tankabanditka [31]

Answer:

1750 Joules.

Explanation:

Work done = force * distance

= 7 * 250

= 1750 Joules.

6 0
3 years ago
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spring force frictonal

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