PHYSICS HIGH SCHOOL

One plate goes under another in a _____.A. subduction zone
B. transform fault area
C. seafloor spreading zone
D. region of paleomagnetism

Answers

Answer 1
Answer:

Answer:

Option (A)

Explanation:

Earth crust is comprised of numerous lithospheric plates. These plates constantly move over the viscous asthenosphere layer. This movement of plates is due to the convection current generated in the mantle due to the radiation of the heat from the earth's core.

This plate motion takes place in three different ways, namely

1) Convergent plate motion

2) Divergent plate motion

3) Transform plate motion

In a convergent plate motion, two plate collides with one another. Due to this collision, the denser plate gets subducted below the less denser plate forming a subduction zone. This region is also known as the Benioff zone.

Hence, the correct answer is option (A).
Answer 2
Answer: I believe it's a. subduction zone.

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If all of the forces acting on an object balance so that the net force is zero, then(A) the object must be at rest
(B) the object’s speed will decrease
(C) the object will follow a parabolic trajectory
(D) the object’s direction of motion can change, but its speed cannot
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Answers

An observer notes that the pitch of a sound is becoming progressively lower. The observer can conclude that the sound is moving

Answers

He can conclude that the source of the sound is moving away from him and that its speed is increasing.
The source of the sound is moving away from the receiver.

The total energy of a 0.050 kg object travelling at 0.70 c is:A) 2.10 × 107 J

B) 3.06 × 107 J

C) 2.46 × 1015 J

D) 6.30 × 1015 J

E) 8.82 × 1015 J

Answers

Answer:

1.1025×10^15Joules

No correct option

Explanation:

The type of energy possessed by the object is kinetic energy. Kinetic energy is the energy due to virtue of an object motion.

KE = 1/2MV² where;

M is the mass of the car = 0.05kg

V is the velocity of the car

Since the car is traveling at 0.7c (c is the speed of light)

speed = 0.7c { 0.7(3×10^8)}

Speed = 2.1×10^8

Substituting this values in the formula given we have;

KE = 1/2×0.05×(2.1×10^8)²

KE = 1.1025×10^15Joules

No correct option.
What is the unit c denotes here

An explosion occurs 340 km away. Given that sound travels at 340 m/s, the time the sound takes to reach you is a. 1 s.
b. 10 s.
c. 100 s.
d. 200 s.
e. more than 200 s.

Answers


(340,000 meters) / (340 meters/sec)  =  1,000 seconds

That's more than 200 sec.
first convert 340km into 340,000m, and 340000/340=1000. So the answer is e.

What is a geologist’s role in the petroleum industry? stay with the drillers to examine rock and fossils brought to the surface chart information on a well log calculate the distance and direction of movement of the lost vein of ore locate environments in which petroleum forms

Answers

Answer:what is the role of of geologist in the petroleum industry

A. Stay with the drillers to examine rocks and fossils brought to the surface.

B. Chart information on a well log

C. Calculate the distance and direction of movement of the lost vein of ore

D. locate environment in which the petroleum forms

Correct option. Is D locate environment in which petroleum forms

Explanation:

Petroleum geologists are usually linked to the actual discovery of oil and the identification of possible oil deposits or leads. It can be a very labor-intensive task involving several different fields of science and elaborate equipment. Petroleum

geologists look at the structural and

sedimentary aspects of the stratum/strata to identify possible oil traps

Answer: D locate environment in which the petroleum forms

Explanation:

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b. chronology.
c. discovery.
d. use and applications.

Answers

Bands of waves in the electromagnetic spectrum are arranged in order of frequency and wavelength. The answer is letter A. The rest of the choices do not answer the question above.
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