3 years ago

Why is carbon added to iron

Physics

1 answer:

swat323 years ago

7 0

Answer:

it transforms it into high carbon alloy that is harder and can be sharper but is also more brittle in the process.

Explanation:

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The graph below shows the time and position of a motorcycle as it travels

cluponka [151]

The answer is A. 1m/s

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3 years ago

A 34,000-lb airplane lands on an aircraft carrier and is caught by an arresting cable. The cable is inextensible and is paid out

Firlakuza [10]

Answer:

F = 153637 lb

Explanation:

Let's use the kinematic equations to find the airplane's braking speed

v² = v₀² + 2 a d

The final speed is zero

a = - v₀² / 2d

Let's reduce the magnitudes

v₀ = 110 mi / h (5280 ft / 1 mile) (1 h / 360 s) = 161.33 ft / s

a = -161.33²/2 90

a = -144.60 ft / s²

Now we can use Newton's second law to find the tension

F = m a

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4 years ago

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Explanation:

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3 years ago

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What is the moment of inertia of a disc of mass 5kg and radius 10cm?

vodka [1.7K]

Answer:

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3 years ago

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Suppose you average 75 MPH over the first halfof a drive, and your average speed for the entiredrive is 60 MPH. What was your av

alexandr402 [8]

Answer:

x = 45 MPH

Explanation:

given,

Average speed of the first half = 75 MPH

Average speed of entire ride = 60 MPH

Average speed of the second half = ?

let the average speed of the second half = x MPH

now,

average of entire ride is given as 60 mph so,

$\dfrac{75+x}{2} = 60$

$75+x= 2\times 60$

75 + x = 120

x = 120 -75

x = 45 MPH

hence, the average speed of the second half comes out to be 45 MPH.

5 0

4 years ago