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3 years ago

When passing another vehicle, when is it acceptable to drive over the

Engineering

2 answers:

miss Akunina [59]3 years ago

7 0

Answer:

Under no circumstances

Explanation:

I'm not 100% sure why, but I remember hearing that you're not suposed to go over the speed limit no matter what

Lisa [10]3 years ago

7 0

Answer:

correct option is B. Under no circumstances

Explanation:

solution

when we drive on the road and passing another vehicle

we will never cross the speed limit as provide by traffic department for good traffic movement

if we cross that limit it may be very danger and risky for our life and vehicle both

in USA approx all area have top speed limit is 55 mph

so in any circumstances we can not cross our speed limit

so correct option is B. Under no circumstances

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What is the chord length of an airplane called?

aliya0001 [1]

Answer:

The distance from the leading edge to the trailing edge is called the chord, denoted by the symbol c. The ends of the wing are called the wing tips, and the distance from one wing tip to the other is called the span, given the symbol s

3 0

2 years ago

A car is traveling at 36 km/h on an acceleration lane to a freeway. What acceleration is required to obtain a speed of 72 km/h i

dmitriy555 [2]

First, write down the information given and the change units if necessary (we must have similar units to operate on).

Initial speed, u = 36 km/h = 10 m/s

Final speed, v = 72 km/h = 20 m/s

Distance, s = 100 m

We know that

${v}^{2} - {u}^{2} = 2as \\ {20}^{2} - {10}^{2} = 2 \times a \times 100 \\ 400 - 100 = 200 \times a \\ a = \frac{300}{200 } = \frac{3}{2} \: m {s}^{ - 2}$

Now, we substitute v, u, and a in the formula

$v = u + at \\ 20 = 10 + \frac{3}{2} t \\ \frac{3}{2} t = 10 \\ 3t = 20 \\ t = \frac{20}{3} = 6.67 \: seconds$

Please mark Brainliest if this helps!

6 0

3 years ago

Technician A says that a magnetic field can be created by current flow. Technician B says that current can be induced by moving

Tomtit [17]

Answer:

Both

Explanation:

Magnetic fields are created by current flow (Biot-Savart Law) and current is induced by moving a wire through a magnetic field (Faraday’s Law).

4 0

3 years ago

A composite wall is composed of 20 cm of concrete block with k = 0.5 W/m-K and 5 cm of foam insulation with k = 0.03 W/m-K. The

wariber [46]

Answer:

4.8°C

Explanation:

The rate of heat transfer through the wall is given by:

$q=\frac{Ak}{L}dT$

$\frac{q}{A}=\frac{k}{L}dT$

Assumptions:

1) the system is at equilibrium

2) the heat transfer from foam side to interface and interface to block side is equal. There is no heat retention at any point

3) the external surface of the wall (concrete block side) is large enough that all heat is dissipated and there is no increase in temperature of the air on that side

${k_{fi}= 0.03 W/m.K$