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stich3 [128]
3 years ago
9

Why is pangaea important?

Physics
1 answer:
Trava [24]3 years ago
4 0
Pangaea is important because it was all the continents in one giant land mass surrounded by water. When the plates shifted and broke apart we got the seven continents we know today. <span />
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Trong thí nghiệm giao thoa trên mặt nước, hai nguồn kết hợp A và B cách nhau 32 cm dao động cùng
antiseptic1488 [7]

Answer:

48cm by the minus of difference of 32 CM length 20 CM because of the length of the building

5 0
2 years ago
A ball thrown straight up takes 1.89s to reach a height of 41.6m.
yulyashka [42]

Answer:

Explanation:

average velocity is 41.6/1.89 = 22.0 m/s

initial velocity u is

22.0 = (u + u - 9.81(1.89))/2

44.0 = 2u - 18.5

62.56 = 2u

u = 31.3 m/s

max height is

v² = u² + 2as

s = (v² - u²) / 2a

s = (0² - 31.3²) / (2(-9.81)) = 49.9 m

49.9 = 41.6 = 8.27 m higher

In process numbers have been rounded to 3 s.d. for reporting purposes.

8 0
3 years ago
The logarithm of x, written log(x), tells you the power to which you would raise 10 to get x. So, if y=log(x), then x=10^y. It i
Lelechka [254]

Answer:

6

Explanation:

The function which is inverse to exponentiation is called logarithm.

It is of the form

log\ x=y\\\Rightarrow log_{10}\ x=y\\\Rightarrow 10^y=x

The 10 here is the base of the logarithm. The logarithm with base 10 is called common logarithm

log_{10}1000000=y\\\Rightarrow 10^y=1000000\\\Rightarrow 10^6=1000000\\\Rightarrow y=6

So, log(1,000,000) = 6

8 0
3 years ago
(forces and motion) explain in 3-2 sentences why acceleration is interesting.
Luden [163]

Answer:

  • Acceleration is a vector and is the rate at which an object changes its velocity. Acceleration is not going fast.
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7 0
2 years ago
Describe an original example of <br> energy changing from one form to <br> two other forms
irinina [24]
1).  an electric motor running
Electrical energy is changing into kinetic energy and a little bit of heat

2).  light a match
The chemical energy stored in the match head changes into light and heat energy.

3).  a light bulb
Electrical energy is changed into light and heat energy.
8 0
3 years ago
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