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KiRa [710]
3 years ago
7

Given x = 67 and y = 18, use two's complement to calculate:(1)x+y (2) x-y (3)-x+y (4)-x-y. Do the calculation, show the results

in 8­-bit two's complement binary form first, then convert the results into decimal (For negative decimal numbers enter a minus sign. For positive decimal numbers, however, do NOT enter a plus sign).
(a) x + y =
(b) x - y =

Engineering
1 answer:
joja [24]3 years ago
8 0

Answer:

See attachment

Explanation:

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Q4. (20 points) For a bronze alloy, the stress at which plastic deformation begins is 271 MPa and the modulus of elasticity is 1
babunello [35]

Answer:

a) P = 86720 N

b) L = 131.2983 mm

Explanation:

σ = 271 MPa = 271*10⁶ Pa

E = 119 GPa = 119*10⁹ Pa

A = 320 mm² = (320 mm²)(1 m² / 10⁶ mm²) = 3.2*10⁻⁴ m²

a) P = ?

We can apply the equation

σ = P / A     ⇒    P = σ*A = (271*10⁶ Pa)(3.2*10⁻⁴ m²) = 86720 N

b) L₀ = 131 mm = 0.131 m

We can get ΔL applying the following formula (Hooke's Law):

ΔL = (P*L₀) / (A*E)    ⇒  ΔL = (86720 N*0.131 m) / (3.2*10⁻⁴ m²*119*10⁹ Pa)

⇒  ΔL = 2.9832*10⁻⁴ m = 0.2983 mm

Finally we obtain

L = L₀ + ΔL = 131 mm + 0.2983 mm = 131.2983 mm

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3 years ago
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vazorg [7]
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6 0
3 years ago
Circular fins are employed around the cylinder of a lawn mower engine to dissipate heat. The fins are made of aluminum are 0.3-m
frosja888 [35]

Answer: heat through each fin is 291W

Total no of required fin from design calculations is 3

Explanation:

The detailed calculations and explanation is shown in the image below.

8 0
3 years ago
The east-west row planting orientation is preferred to maximize light absorption of
Katyanochek1 [597]

Answer: True

Explanation:

The east-west row planting orientation helps in the maximize the light absorption by plants which then brings about an efficient photosynthesis activity.

Also, it helps in the shading of weeds that can be found in the inter-row space. Also, it brings about an improvement on drop yield crop yield.

Therefore, the answer to the above is true.

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3 years ago
What does a nuclear reactor smell like... idk im bored.
Lera25 [3.4K]

Answer:

If i had to guess, not the most amazing smell in the world, but i wouldn't know xD

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4 years ago
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