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jenyasd209 [6]
2 years ago
11

Which level of acceleration should you use when accelerating on a short highway entry ramp?

Engineering
1 answer:
ahrayia [7]2 years ago
5 0

The lowest level of acceleration should be use when accelerating on a short highway entry ramp.

<h3>What is an acceleration?</h3>

This means the rate at which velocity changes with time in terms of both the speed and direction.

In a machine, this means rate at which a vehicle can increase its speed in terms of the time that it takes to reach a particular speed.

Because the short highway entry ramp need careful driving, then, the lowest level of acceleration should be use when accelerating on a short highway entry ramp.

Read more about acceleration

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Estimate the energy (head) loss a short length of a pipe conveying 300 litres of water per second and suddenly enlarging from a
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Known :

Q = 300 L/s = 0.3 m³/s

D1 = 350 mm = 0.35 m

D2 = 700 mm = 0.7 m

g = 9.81 m/s²

Solution :

A1 = πD1² / 4 = π(0.35²) / 4 = 0.096 m²

A2 = πD2² / 4 = π(0.7²) / 4 = 0.385 m²

hL = (kL / 2g) • (U1² - U2²)

hL = (kL / 2g) • Q² (1/A1² - 1/A2²)

hL = (1 / 2(9.81)) • (0.3²) • (1/(0.096²) - 1/(0.385²))

hL = 0.467 m

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Explanation:

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