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liraira [26]
3 years ago
11

Eq-45 what type of boat requires navigation lights?

Physics
1 answer:
irina [24]3 years ago
8 0

All the boats operating at night requires Navigation light.

Navigation light helps prevent collisions between boats and see if visibility is poor. The types of boat are : Rowboats, Tug boats, Vessels, Sailboat etc.

Various boats have different lightning color to show its use and side of the boat.

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Models of four atoms are shown as figures A, B, C, and D. Which two atoms represent isotopes of the same element?
timurjin [86]
C and d have the same amount of protons and electrons
3 0
3 years ago
A star ending its life with a mass of four to eight times the Sun's mass is expected to collapse and then undergo a supernova ev
Zielflug [23.3K]

Answer:

r = 16 Km

Explanation:

given  

m_n= 1.67 x 10^-27 Kg

M_star = 3.88 x 10^30 Kg  

A= M_star/m_n

A= 3.88*10^30/1.67 x 10^-27

A=2.28 *10^57  neutrons                           A = The number of neutrons  

we use the number of neutrons as a mass number because the star has only neutrons. = 1.2 x 10-15 m

r = r_o*A^1/3

r = 1.2*10^-15*2.28 *10^57^1/3

r = 16 Km

8 0
3 years ago
Which of the following will be hardest to stop?
Dvinal [7]

Answer:OD. a hummingbird moving at 25 mph

Explanation:

3 0
3 years ago
Read 2 more answers
If tides occur twice a day in most places. How much time is there between a morning high tide and the next high tide?
algol13

About 12 hours is the time between a morning high tide and the next high tide

Explanation:

The Earth’s rotation happens between two tidal bulges  

The “periodic rise and fall” of the surface water levels of the ocean is called tides. The gravitational action and interaction on the earth by the sun and the moon causes these tides. Different regions of the World experiences different patterns of tides like the diurnal, semi-diurnal etc.

When there is one high and one low tide occurring on a lunar day, then it is diurnal pattern. Semi-diurnal pattern occurs when there are two equal high and low tides on a single lunar day.

Since the Earth’s rotation happens between two tidal “bulges” on each lunar day, the coastal areas can experience two high and two low tides in every 24 hours plus 50 minutes.

Accordingly the time between two high tides would be 12 hours plus 25 minutes. Similarly, the time gap between a high to low tide would be 6 hours plus 12.5 minutes.

8 0
3 years ago
Help me asap and answer correctly!!!! Only answer if you know
dezoksy [38]

Answer:

B and D (Chicken and Turkey)

Explanation:

Looking at the table, we can see that chicken and turkey have an identical data set.

Good luck! Hope this helped!

7 0
2 years ago
Read 2 more answers
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