The coefficient of thermal expansion of the metal will be 1.4 x 10⁻⁵ °c.
<h3>What is thermal expansion?</h3>
Every material has its property of contraction or expansion by the change of temperature. The expansion and contraction of any material are indicated by a coefficient this coefficient is called the coefficient of thermal expansion.
Here we have the following data:-
l₁= 1.000 m
l₂ = 1.001 m
Δ = 70° C
The formula for calculating the coefficient of linear expansion will be:-
By putting the values we will get the answer.
Therefore the coefficient of thermal expansion of the metal will be 1.4 x 10⁻⁵ °c.
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Answer:
Option B
Step-by-step explanation:
One of the basic property of Rhombus is that its diagonal intersect each other in a way that they bisect each other and also make angle of 90 degrees
Angle RMS comprises of angle formed by the bisecting diagonals. Hence angle RMS is of 90 degrees.
Thus, option B is correct
Answer:
4.c 5.c 6.c
Step-by-step explanation:
4. Reflect looks same as other shape but in wrong place. Translate to same location.
5. Rotate 90 degree counterclockwise then translate to same location.
6. Rotate 180 degrees then translate to same location
Answer:
No
Step-by-step explanation:
cost=25+8d
To be proportional you'd have to have no flat fee: cost=8d
1 day = $8
2 days = $16
5 days = $40
10 days = $80, etc.
I hope I helped.
Answer
Option (A) is correct .
Reason
The formula for the slope.
As given
Line AB contains (0, 4) and (1, 6) .
put in the slope formula
Slope of the AB is 2.
As given
Line CD contains points (2, 10) and (−1, 4).
put in the slope formula
Slope = 2
Slope of the CD is 2.
As the slope of the AB contains (0, 4) and (1, 6) Line CD contains points (2, 10) and (−1, 4) is 2 .
Therefore the option (A) is correct i.e the lines are parallel because the slopes are the same.
