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3 years ago

11

Technician A says that thrust angle refers to the direction the front wheels are pointing. Technician B says that scrub radius r

efers to the vertical centreline of the tire in relation to an imaginary line through the steering knuckle pivots. Who is correct?

1 answer:

Novay_Z [31]3 years ago

8 0

Answer:

both technicians are correct

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A cylinder is to be cast out of aluminum. The diameter of the disk is 500 mm and its thickness is 20 mm. The mold constant 2.0 s

Nezavi [6.7K]

Answer:

a) the minimum time (minutes) for the aluminium casting to solidify is 2.86 min

b) the minimum time (minutes) for the grey iron casting to solidify is 2.13 min. Therefore solidification of grey iron cast will take less time (2.13 min) compared to the solidification of the aluminium cast (2.86 min)

Explanation:

Given that; diameter of Disk = 500 mm, thickness t = 20, mold constant Cm = 2.0 sec/mm²

first we find the volume and Area;

Volume V = πD²t / 4

Volume V = π × (500)² × 20 / 4 = 3,926,991 mm³

Area A = 2πD²/ 4 + πDt

Area A = {[π × (500)²] / 2} +{ π × (500) × (20)}

Area A = 392,699.08 + 31,415.93

Area A = 424,115 mm²

a)

Chvorinov’s rule

T(aluminium) = Cm (V/A) ²

T(aluminium) = 2.0 × (3,926,991 / 424,115) ²

T(aluminium) = 171.5 s = 2.86 min

∴ the minimum time (minutes) for the casting to solidify is 2.86 min

b)

For cast iron

Cm (mold constant = 1.488 sec/mm²)

Chvorinov’s rule

T(iron) = Cm (V/A) ²

T(iron) = 1.488 × (3,926,991 / 424,115) ²

T(iron) = 127.5720s = 2.13 min

Therefore solidification of grey iron cast will take less time (2.13 min) compared to the solidification of the aluminium cast (2.86 min)

6 0

4 years ago

The final position of a car can be predicted with the following equation: Position = -2.5 (time) + 25 Where is the car’s positio

nekit [7.7K]

Answer:

The car's position at 3.0 seconds is 17.5 meters. The car will reach 0.0 meters at 10 seconds.

Explanation:

You can rewrite the equation as P= -2.5t+25. t=time and P is equal to position; so you will plug in 3.0 seconds into t. The equation will now look like: P = -2.5(3.0)+25

P = -2.5(3.0) + 25

P = -7.5 + 25

P = 17.5 meters

Now, to find when the car reaches 0.0 meters, we will plug that into P since P = position and will solve for t.

P = -2.5t + 25

0.0 = -2.5t + 25

-25 -25

-25 = -2.5t

-25/-2.5 = -2.5t/-2.5

10 = t

So the car will reach 0.0 meters at 10 seconds.

8 0

3 years ago

Find the function f and the value of the constant a such that: 2 ∫ f(t)dt x a = 2 cos x − 1

anastassius [24]

Answer:

The function is $-\sin x$ and the constant of integration is $C = - 1$ .

Explanation:

The resultant expression is equal to the sum of a constant multiplied by the integral of a given function and an integration constant. That is:

$a = k\cdot \int\limits {f(x)} \, dx + C$

Where:

$k$ - Constant, dimensionless.

$C$ - Integration constant, dimensionless.

By comparing terms, $k = 2$ , $C = -1$ and $\int {f(x)} \, dx = \cos x$ . Then, $f(x)$ is determined by deriving the cosine function:

$f(x) = \frac{d}{dx} (\cos x)$

$f(x) = -\sin x$

The function is $-\sin x$ and the constant of integration is $C = - 1$ .

3 0

3 years ago

Which of the following statements shows the mind of a "fool" when it comes to credit cards

Anuta_ua [19.1K]

Answer:

1. You get six credit card offers in the mail, and are stoked! You get all the cards.

2. You find a radical website that promises you the cheapest credit cards for students, and believe everything you read on the site.

3. You decide to get your first credit card from an online bank with no local office.

4. You get a credit card without checking how long the "grace period" is.

Explanation:

<em>A person who's easily hoaxed</em> when it comes to getting credit cards shows <em>the mind of a fool</em>. It is very important to be<em> skeptical</em> when getting one or more because <u>credit cards are not all fun and games, but a huge responsibility.</u>

1. Getting six credit cards offer in the mail doesn't necessarily mean you have to get all of them. You need to know which ones have low interest rates and which ones are suitable for you. You also have to know the fees.

2. You don't need to believe everything that is written on internet websites immediately. You have to do more research about the credit card they're offering whether they're actually telling the truth because sometimes, it's just a promotional strategy so people will get one.

3. It is important to get your first credit card from an online bank with a local office. Having a local office makes the company legit. It is also easier to file any complaints about your card through the local office.

4. Checking the "grace period" is important, so you'd know when you're going to pay your credit card dues. It will help you prevent getting charge with overdue fees.

5 0

3 years ago

1. Discuss how products incorporate aesthetic design and why this appeals to target markets 2. Discuss how the universal design

Nikitich [7]

<u>Explanation:</u>

<em>Remember, </em>to say a product is incorporated with aesthetic design implies that its overall appearance is designed to look beautiful to the eyes of the user/buyer. For example, a clothing company whose target market is mainly focused on women's clothing<u> would need to take into consideration that certain colors like pink, blue, etc are attractive to women more than men.</u> So they'll have to ensure the colors of their clothing are suitable to the needs of their target market.

The Universal Design process involves building products that can be used by a wide range of users at ease. For example, you may ask yourself: Is my product/service easily accesible to those with disabilities?

Other processes include;

Defining who the users (or universe) are of the products.
Involve consumers in the design.
Follow the existing standards of product design
Evaluate and review your universal design methods

3 0

3 years ago