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3 years ago

The purpose of daytime running lights (DRLs) is to _____.

Engineering

2 answers:

coldgirl [10]3 years ago

4 0

Answer:

The purpose of daytime running lights is to (D) make your car easy to spot in the daytime

Explanation:

Lights help to have the clear vision. Daytime running lights help during winters when fog covers up. Also it helps to have a look so that we can concentrate well. It's not just for path but also that we don't harm any animal or human.

There is nothing bad of daytime running lights. It even helps to decrease traffic and accident issues and keeps us focused. One can travel better on highways and more safely. During monsoons when dark clouds cover up during mornings and it becomes difficult to drive then this daytime running lights works as Savior.

balu736 [363]3 years ago

3 0

D make your car easy to spot in daytime because they do not illuminate a lot

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Explanation:

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3 years ago

An excavation is at risk for cave-in and water accumulation because of the excess soil that has accumulated. What type of excava

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Answer:

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3 years ago

The 150-lb man sits in the center of the boat, which has a uniform width and a weight per linear foot of 3 lb>ft. Determine t

irina1246 [14]

Answer:

M = 281.25 lb*ft

Explanation:

Given

Wman = 150 lb

Weight per linear foot of the boat: q = 3 lb/ft

L = 15.00 m

Mmax = ?

Initially, we have to calculate the Buoyant Force per linear foot (due to the water exerts a uniform distributed load upward on the bottom of the boat):

∑ Fy = 0 (+↑) ⇒ q'*L - W - q*L = 0

⇒ q' = (W + q*L) / L

⇒ q' = (150 lb + 3 lb/ft*15 ft) / 15 ft

⇒ q' = 13 lb/ft (+↑)

The free body diagram of the boat is shown in the pic.

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q(x) = (13 - 3) = 10 (+↑)

V(x) = ∫q(x) dx = ∫10 dx = 10x (0 ≤ x ≤ 7.5)

M(x) = ∫10x dx = 5x² (0 ≤ x ≤ 7.5)

The maximum internal bending moment occurs when x = 7.5 ft

then

M(7.5) = 5(7.5)² = 281.25 lb*ft

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3 years ago

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