3 years ago

Each step in any energy conversion process will _____.

1 answer:

6 0

The answer is : <span>lose energy </span>

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jekas [21]

The force needed to stretch the steel wire by 1% is 25,140 N.

The given parameters include;

The area of the steel wire is calculated as follows;

$A = \pi r^2\\\\ A= 3.142 \times (0.002)^2\\\\ A= 1.257 \times 10^{-5} \ m^2$

The force needed to stretch the wire is calculated from Youngs modulus of elasticity given as;

$E = \frac{stress}{strain} = \frac{F/A}{e/L} = \frac{FL}{Ae} \\\\F = \frac{EAe}{L}$

$F = \frac{200 \times 10^9\ \times\ 1.257\times 10^{-5}\ \times \ 0.01l_1}{l_1} \\\\F = 25,140\ N$

Thus, the force needed to stretch the steel wire by 1% is 25,140 N.

4 0

2 years ago

frez [133]

The answer is false

7 0

3 years ago

tia_tia [17]

Explanation:

(D) i think there you go have a good day

8 0

2 years ago

dexar [7]

$U=120 \text{ V}\\
I=8\text{ A}\\
P=U\cdot I\\\\
P=120\cdot8=960 \text{ W}
$

7 0

3 years ago

Zanzabum

4896

0.85 x 45 x 128 = 4896

Change in energy = specific heat capacity x mass x change in temperature

5 0

2 years ago