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1 year ago

Which of the following statements is FALSE?

Physics

1 answer:

Levart [38]1 year ago

5 0

A thrust fault is a reverse fault with an extremely high dip (close to 90°). This is the false statement.

Answer: Option D

<u>Explanation:</u>

Faults are the fracture or fracture zone occurring on the rocks. These fractures can travel through the rocks leading to massive destruction. So, depending upon the direction of their travel, the faults can be classified as normal, reverse and strike slip fault. Also, the angle of dip along the fault is one of the important criteria for determining the type of faults.

There is dip-slip fault which has its movement along the vertical fault plane while the strike slip fault will be in horizontal direction. Similarly, an oblique fault will be acting in both vertical and the horizontal direction. So, the fourth statement related to thrust fault is false as in reverse fault or thrust fault the dip will be shallow and not high.

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1 year ago

A mass m slides down a frictionless ramp and approaches a frictionless loop with radius R. There is a section of the track with

Lana71 [14]

Answer:

h = 2 R (1 +μ)

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This exercise must be solved in parts, first let us know how fast you must reach the curl to stay in the

let's use the mechanical energy conservation agreement

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Em₀ = K = ½ m v₁²

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$Em_{f}$ = U = m g y

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X axis

-fr = m a (1)

Y Axis

N - W = 0

N = mg

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fr = μ N

fr = μ m g

we substitute 1

- μ mg = m a

a = - μ g

having the acceleration, we can use the kinematic relations

v² = v₀² - 2 a x

v₀² = v² + 2 a x

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v₀ = √4gR( 1 + μ)

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finally have the third part we use energy conservation

starting point. Highest on the ramp without rubbing

Em₀ = U = m g h

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mgh = ½ m 4gR(1 + μ)

h = ½ 4R (1+ μ)

h = 2 R (1 +μ)

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