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JulsSmile [24]
3 years ago
5

In a crossing situation, which vessel is required to maintain its course and speed?

Physics
1 answer:
makvit [3.9K]3 years ago
3 0

Both in the domestic and international guidelines tell that when two power-driven vessels are crossing so as to contain risk of collision, the vessel which has the other on her starboard side (the give-way vessel) must keep out of the way.

If you are the give-way vessel, it is your responsibility to avoid a collision. Normally, this means you must change speed or direction to cross behind the other vessel which is the stand-on vessel.

At evening, when you perceive a red light crossing right-to-left in front of you, you need to change your course. But if you perceive a green light crossing from left-to-right, you are the stand-on vessel, and should maintain course and speed.

The leading situations of collision risk are meeting head-on, overtaking, and crossing. When one of two vessels is to keep out of the way (give-way vessel), the other, the stand-on vessel, must uphold course and speed.

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if a car has a constant acceleration of 4 m/s^2, starting from rest, how fast is it traveling after 5 seconds?​
UkoKoshka [18]

Answer:

20 m/s

Explanation:

Recall that one of the equations of motions can be written:

v = u + at, (also see attached for reference)

Where,

v = final speed (we are asked to find this)

u = initial speed = 0 (because it starts from rest)

t = time taken = 5s

We simply substitute the given values into the equation:

v = u + at

v = 0 + (4)(5)

v = 20 m/s

3 0
3 years ago
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Name 4 COARSE grained rocks
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Answer:

Diorite, Gabbro, and Granite

Explanation:

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Another word for stored energy is <br> 1 potential <br> 2 kinetic
scoray [572]

Answer:

Potential

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Potential energy is the energy stored while kinetic energy is motional energy.

Potential itself means "having capacity/energy".

\rule[225]{225}{2}

Hope this helped!

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8 0
3 years ago
Complete the following sentences.
MrMuchimi
  1. force pull the ball towards it with a force called gravity. <em> </em><em> </em><em> </em><em> </em><em> </em><em> </em>
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5 0
3 years ago
A 34.9-kg child starting from rest slides down a water slide with a vertical height of 16.0 m. (Neglect friction.)
aalyn [17]

Answer:

a) 12.528 m/s

b) 15.344 m/s

Explanation:

Given:

Mass of the child, m = 34.9 kg

Height of the water slide, h = 16.0 m

Now,

a) By the conservation of energy,

loss in potential energy = gain in kinetic energy

mgh = \frac{\textup{1}}{\textup{2}}\textup{m}\times\textup{v}^2

where,

g is the acceleration due to the gravity

v is the velocity of the child

thus,

at halfway down, h = \frac{\textup{16}}{\textup{2}}= 8 m

therefore,

34.9 × 9.81 × 8 = \frac{\textup{1}}{\textup{2}}\textup{34.9}\times\textup{v}^2

or

v = 12.528 m/s

b)

at three-fourth way down

height = \frac{\textup{3}}{\textup{4}}\times16 = 12 m

thus,

loss in potential energy = gain in kinetic energy

34.9 × 9.81 × 12 = \frac{\textup{1}}{\textup{2}}\textup{34.9}\times\textup{v}^2

or

v = 15.344 m/s

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3 years ago
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