2 years ago

Look at the Grand Canyon cross section. What is the 4th event to take place in the Grand Canyon's geologic history?

Physics

1 answer:

mart [117]2 years ago

8 0

Answer:

bass limestone

Explanation:

if I'm right bass limestone is the fourth one because 3 are under it

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As you sit in a chair, in what direction (or directions) do you exert an action force?

enyata [817]

As we sit in a chair, Action force will be only in one direction and that direction would be downward only.

In short, Your Answer would be Option A

Hope this helps!

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What term refers to the part of a spacecraft that is occupied by the crew for takeoff and landing?

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Command module ✅

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annum module

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1 year ago

A 25kg chair initially at rest on a horizontal floor requires a 165 N horizontal force to set it in motion. Once the chair is in

SCORPION-xisa [38]

Answer:

$\mu_k=0.51$

Explanation:

Given that

Mass , m = 25 kg

We know that when body is in rest condition then static friction force act on the body and when body is in motion the kinetic friction force act on the body .That is why these two forces are given as follows

Static friction force ,fs= 165 N

Kinetic friction force ,fk = 127 N

If the body is moving with constant velocity ,it means that acceleration of that body is zero and all the forces are balanced.

Lets take coefficient of kinetic friction = μk

The kinetic friction is given as follows

fk = μk m g

Now by putting the values

127 = μk x 25 x 9.81

$\mu_k=\dfrac{127}{25\times 9.81}$

$\mu_k=0.51$

Therefore the value of coefficient of kinetic friction will be 0.51

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2 years ago

What are three things we should try to limit that we may find on a food label.

Dafna1 [17]

Answer:

Added sugars, Saturated fat, Trans fat.

Explanation:

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What's the difference between shunt and multiplier?

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