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SCORPION-xisa [38]
4 years ago
15

In order to impress your neighbors and improve your vision in traffic jams, you decide to mount a cylindrical periscope 2.0 m hi

gh and 0.1 m in diameter on top of your car. You consult the literature and find that the drag coefficient (based on frontal area) is 1.1 for Re<200,000 (Re based on diameter) and drops to 0.35 for Re>200,000. Using this information, answer the three questions given. (HINT: make a sketch)The periscope's drag at your maximum speed of 75 mph is about:(A) 45 N(B) 4 N(C) 450 N(D) 5 N
Engineering
1 answer:
kondaur [170]4 years ago
5 0
Follow @richard.gbe on Instagram for the answer
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What is the zone that has just been added to the exchange zone where athletes may now hand off the baton
Vanyuwa [196]

Answer:

The zone where athletes may hand off baton in exchange zone is the changeover zone.

Explanation:

A relay race is a track event that involves the exchange of baton among a set of athletes. The baton is majorly exchange within the exchange zone which is 20 meters long. The exchange zone is made up on two other zones:  acceleration zone and changeover zone.

Acceleration zone is the region of the track that allows the athlete to take the next leg to start increasing speed before collecting the baton.

Changeover zone is the section where baton exchange between athletes takes place. The baton should only be exchanged within the changeover zone.

8 0
3 years ago
Which is an alloy made up of iron and carbon and has high compressive and tensile strength?
Digiron [165]

Answer: Steel is an alloy of iron with typically a few percent of carbon to improve its strength and fracture resistance compared to iron. Many other additional elements may be present or added. Stainless steels that are corrosion and oxidation resistant need typically an additional 11% chromium.

Explanation:

3 0
3 years ago
Which of the following is NOT one of the 3 technology bets we have made?
agasfer [191]

The one that is not an option of the 3 technology bets made are  Digital core and Design Thinking.

<h3>What are the 3 technology bets Genpact produced?</h3>

The digital technologies made are known to be able to create value through the accelerating processes and also by automating them.

The technology bets Genpact are:

  • Artificial Intelligence.
  • Augmented Intelligence.
  • Customer Experience.
  • Digital Transformation and AI Consulting.
  • Intelligent Automation.

Learn more about technology from

brainly.com/question/25110079

8 0
2 years ago
The thrust angle is checked by referencing
anygoal [31]

In Engineering, the thrust angle is checked by referencing: C. vehicle centerline.

<h3>What is a thrust angle?</h3>

A thrust angle can be defined as an imaginary line which is drawn perpendicularly from the centerline of the rear axle of a vehicle, down the centerline.

This ultimately implies that, the thrust angle is a reference to the centerline (wheelbase) of a vehicle, and it confirms that the two wheels on both sides are properly angled within specification.

Read more on thrust angle here: brainly.com/question/13000914

#SPJ1

5 0
2 years ago
An electrical current of 700 A flows through a stainlesssteel cable having a diameter of 5 mm and an electricalresistance of 610
KatRina [158]

Answer:

778.4°C

Explanation:

I = 700

R = 6x10⁻⁴

we first calculate the rate of heat that is being transferred by the current

q = I²R

q = 700²(6x10⁻⁴)

= 490000x0.0006

= 294 W/M

we calculate the surface temperature

Ts = T∞ + \frac{q}{h\pi Di}

Ts = 30+\frac{294}{25*\frac{22}{7}*\frac{5}{1000}  }

Ts=30+\frac{294}{0.3928} \\

Ts =30+748.4\\Ts = 778.4

The surface temperature is therefore 778.4°C if the cable is bare

6 0
3 years ago
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