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Xelga [282]
4 years ago
6

Although he did not present a mechanism, what were the key points of Alfred Wegener’s proposal for the concept of continental dr

ift?
Physics
1 answer:
valentinak56 [21]4 years ago
4 0

Answer: Alfred Wegener provided some of the important points that supported the theory of continental drift. They are as follows-

  1. The continents were once all attached together, and this can be proved by studying the coastlines of some of the continents that perfectly matches with one another.
  2. The appearance of similar rock types and similar fossils (including both animals and plants) has also contributed much information that continents were once all together.
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Use this media to help you complete the question.
Papessa [141]

Answer:

589.3 g is the answer

Explanation:

6 0
3 years ago
A plane crashes with a deceleration of 185 m/s. How many g’s is this?
Afina-wow [57]

Answer:

26 g's

Explanation:

Hope this helps~

Have a great day

Zero

3 0
3 years ago
A charged box (m=445 g, ????=+2.50 μC) is placed on a frictionless incline plane. Another charged box (????=+75.0 μC) is fixed i
victus00 [196]

The concept required to perform this exercise is given by the coulomb law.

The force expressed according to this law is given by

F= \frac{kqQ}{r^2}

Where,

k = 8.99 * 10^9 N m^2 / C^2.

q = charges of the objects

r= distance/radius

Our values are previously given, so

q= 2.5*10^{-6}C\\Q= 75*10^{-6}C\\r=0.59

Replacing,

F=\frac{kqQ}{r^2}

F= \frac{(8.99 x 10^9)(2.5*10^{-6})(75*10^{-6})}{0.59^2}

F= 4.8423N

The force acting on the block are given by,

F-mgsin\theta = ma

a = \frac{F-mgsin\theta}{m}

a = \frac{4.8423-(0.445)(9.8)sin(35)}{0.445}a = 10.31m/s^2

Therefore the box is accelerated upward.

3 0
3 years ago
Who is the featured character in an earth diver story
Irina-Kira [14]
The featured character is the character who dives into water and brings up a small amount of mud or sand. 
3 0
3 years ago
..................................
sammy [17]

Hi, what is it you need help with?

8 0
2 years ago
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