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JulsSmile [24]
3 years ago
10

*need help asap! on a timer* Please select the word from the list that best fits the definition

Physics
1 answer:
GarryVolchara [31]3 years ago
7 0

Answer:

particle model

Explanation:

A particle model is a simplified version of a motion diagram in which the object in motion is replaced by a series of single points.

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A specimen of aluminum having a rectangular cross section 9.5 mm × 12.9 mm (0.3740 in. × 0.5079 in.) is pulled in tension with 3
ryzh [129]

Answer:

The resultant strain in the aluminum specimen is 4.14 \times {10^{ - 3}}

Explanation:

Given that,

Dimension of specimen of aluminium, 9.5 mm × 12.9 mm

Area of cross section of aluminium specimen,

A=9.5\times 12.9=123.84\times 10^{-6}\ mm^2A=122.55\times 10^{-6}\ m^2

Tension acting on object, T = 35000 N

The elastic modulus for aluminum is,E=69\ GPa=69\times 10^9\ Pa

The stress acting on material is proportional to the strain. Its formula is given by :

\epsilon=\dfrac{\sigma}{E}

\sigma is the stress

\epsilon=\dfrac{F}{EA}\\\epsilon=\dfrac{35000}{69\times 10^9\times 122.5\times 10^{-6}}\\\epsilon=4.14\times 10^{-3}

Thus, The resultant strain in the aluminum specimen is 4.14 \times {10^{ - 3}}

5 0
4 years ago
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¨selective breeding should be more tightly restricted¨- do you agree or disagree with this statement and whyyyyyyyyyyyyy¨
blagie [28]

Answer:

disa gree animals should be aloud to mate with another animal of the same breed freely

Explanation:

7 0
3 years ago
Convert 15 km/hr to m/s<br><br> show work PLS HELPPPP
MrRissso [65]

Answer:

Explanation:

we know that 1 km =1000 m and 1 hour=3600 sec

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15 km/hr=15*1000 m/3600 sec=4.167 m/s

6 0
3 years ago
Help me with this please
creativ13 [48]

Answer:

i dont understand, can you put it in word form please.

Explanation:

4 0
3 years ago
Calculate the velocity of the objects motion represented in the following graph. Show all your work.
Leni [432]

as we know that velocity= displacement/change in time

hence velocity here is= 11-3/12-0

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=0.667m/s

hopefully i am right

6 0
3 years ago
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