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Jet001 [13]
3 years ago
10

What can directly lead to unconformity on an exposed rock?

Physics
1 answer:
madreJ [45]3 years ago
8 0
The answer is B. Hope I helped!
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Lloyd is standing on a scaffolding 12 meters above the ground to clean the windows of a tall building. His bucket, which has a m
Sever21 [200]

Answer:

U₂ = 20 J

KE₂ = 40 J

v= 12.64 m/s

Explanation:  

Given that

H= 12 m

m = 0.5 kg

h= 4 m

The potential energy at position 1

U₁ = m g H

U₁ = 0.5 x 10 x 12        ( take g= 10 m/s²)

U₁ = 60 J

The potential energy at position 2

U₂ = m g h

U ₂= 0.5 x 10 x 4        ( take g= 10 m/s²)

U₂ = 20 J

The kinetic energy at position 1

KE= 0

The kinetic energy at position 2

KE= 1/2 m V²

From energy conservation

U₁+KE₁=U₂+KE₂

By putting the values

60 - 20 = KE₂

KE₂ = 40 J

lets take final velocity is v m/s

KE₂= 1/2 m v²

By putting the values

40 = 1/2 x 0.5 x v²

160 = v²

v= 12.64 m/s

3 0
3 years ago
Read 2 more answers
When many atoms are split in a chain reaction, a large explosion occurs. This is an example of what type of energy conversion? (
VMariaS [17]
The second option is correct
6 0
3 years ago
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Draw sodium formate by placing atoms on the grid and connecting them with bonds. Include all lone-pair electrons.
nikklg [1K]

Answer:

Sodium formate is the sodium salt of formic acid which is given as HCOONa.

Explanation:

The basic structure of Sodium formate consists of following bonds:

  1. The main Ionic bond between the HCOO^- radical and Na^+.
  2. The  sigma covalent bonds between atom of H, atom of C and  both atoms of O.
  3. The pi bond between atom of C and one atom of O.

The structure along with lone pairs is given as attached

7 0
3 years ago
What's the noun in "she is my favorite english teacher"
OleMash [197]

Answer:

i think it is <u>teacher</u>

Explanation:

because it is noun

7 0
3 years ago
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This graph shows the displacements and times for the winner of a horse race. What was the average speed of the horse that won th
OLEGan [10]

Answer:

The answer is 20m/s

6 0
3 years ago
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