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aniked [119]
3 years ago
9

A bird flies from the South Pole to the North Pole. Part of the journey is 1000 miles that takes 2 weeks. What is the bird’s vel

ocity in that time? Show work for credit and include final units. help please
Physics
2 answers:
viktelen [127]3 years ago
6 0
1000 miles = 1610km = 1.61x10^6m
2 weeks = 14 days = 14x24x1440

V=d/t = 1.61x10^6/14x24x1440
= 3.33m/s
puteri [66]3 years ago
4 0

The correct answer to the question is : 2.976 miles/hour.

CALCULATION:

As per the question, the distance travelled by the bird X = 1000 miles.

 The time taken by the bird to cover that distance t = 2 weeks.

                                                                                     = 2 × 7× 24 hours

                                                                                     = 336 hours

We are asked to calculate the speed of the bird.

The speed of the bird is calculated as -

                         speed v = \frac{distance}{time}

                                        = \frac{1000}{336}\ miles/hour

                                        = 2.976 miles/hour                   [ans]

Hence, the velocity of the bird is 2.976 miles/hour.

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harina [27]

As we know that centripetal acceleration is given as

a_c = \frac{v^2}{R}

here we know that

linear speed = 35 m/s

here radius of path is same as length of arm

R = 0.7 m

now from above above formula we have

a_c = \frac{35^2}{0.7}

a_c = 1750 m/s^2

so acceleration is 1750 m/s/s

5 0
4 years ago
What can we say about Gamma waves on<br> the electromagnetic spectrum?
sladkih [1.3K]

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Explanation: :)

6 0
2 years ago
The difference in emf between the primary coil of a transformer and the secondary coil is directly related to the relative numbe
kirill115 [55]
True.

The more the coils either at the Primary or Secondary coils, the higher the Primary or Secondary Emf. The lower the coils at the Primary or Secondary coils, the lower the EMF at the Primary or Secondary.

Hence there is a direct relationship.
8 0
4 years ago
How did the work of Dmitri Mendeleev differ from that of John Newlands in the development of the periodic table?
Sonja [21]
B.

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3 0
3 years ago
Read 2 more answers
Cl has an atomic number of 17 and an atomic mass of 35. How many
lubasha [3.4K]

Answer:

7 Electrons

Explanation:

Assuming that final energy level is that same as valence shell, we first need to find how many of the electrics will be used to fill the ones before it.

Electron shell capacities are as follows :

First shell/Ebergy level: 2 electrons

Seconds shell/energy level : 8 electrons

Third shell /energy level :8 electrons

The first two shells total to 10, and the first three shells total to 18. Since chlorine (17) fills more than 2 shells but less that 3, the third one is its final energy level. We find the number in the final energy level by subtracting the 10 in the full first two. 2+8=10

17-10=7

Chlorine has 7 electrons on its final energy level.

Hope this helped!

3 0
3 years ago
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