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4 years ago

What is a “plate” in geological terms

1 answer:

3 0

Answer:a plate is a rigid segment Of The earth's lithosphere that moves horizontally and adjoins other plates along then zone of seismic activity.

Explanation:

A plate is a rigid segment Of The earth's lithosphere that moves horizontally and adjoins other plates along then zone of seismic activity.plates may include portion of both continents and ocean basin.

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Write three nuclear equations to represent the nuclear decay sequence that begins with the alpha decay of u-235 followed by a be

vazorg [7]

Answer:

We know that in the decay process the sum of molecular number as well as molecular weight should be constant.

The following three reaction are as follows

1 .

Alpha decay of parent nuclide

$_{92}^{235}\textrm{U} \rightarrow _{90}^{231}\textrm{Th}+_{2}^{4}\textrm{alpha }$

The molecular number of alpha particle is 2 and molecular weight is 4 g/mol.

Beta decay of daughter nuclide

$_{90}^{231}\textrm{Th}\rightarrow _{91}^{231}\textrm{Pa}+_{-1}^{0}\textrm{beta}+v$

v is the neutrino emission,The charge on the beta particle is zero.

Alpha decay

$_{91}^{231}\textrm{Pa}\rightarrow_{89}^{227}\textrm{Pa}+_{2}^{4}\textrm{alpha}$

5 0

4 years ago

Read 2 more answers

Water runs through a plumbing with a flow of 0.750m3/s and arrives to every exit of a fountain. At what speed will the water com

Lubov Fominskaja [6]

Divide the flow rate (0.750 m³/s) by the cross-sectional area of each pipe:

diameter = 40 mm ==> area = <em>π</em> (0.04 m)² ≈ 0.00503 m²

diameter = 120 mm ==> area = <em>π</em> (0.12 m)² ≈ 0.0452 m²

Then the speed at the end of the 40 mm pipe is

(0.750 m³/s) / (0.00503 m²) ≈ 149.208 m/s ≈ 149 m/s

(0.750 m³/s) / (0.0452 m²) ≈ 16.579 m/s ≈ 16.6 m/s

7 0

3 years ago

An electron moving in a wire collides again and again with atoms and travels an average distance between collisions that is call

hoa [83]

Explanation:

A substance with a short , medium, free path has improved electron flow resistance and a higher electrical resistance . Heat applications impose more molecular chaos on all materials and shorten the track further, increasing resistance of most materials. So, just refresh the material to expand the course. In certain materials, when cooled to the minimum temperature, the conductivity is substantially increased.

4 0

3 years ago

Forces cause changes to the motion of objects. Name a force and describe two changes it makes.

otez555 [7]

Sliding and Static.

Would be the right one here.

3 0

4 years ago

A rectangular wire loop is pulled out of a region of uniform magnetic field B at a constant speed v. What is true about the indu

Paul [167]

Answer:

There is a constant emf induced in the loop.

Explanation:

In the uniform magnetic field suppose the rectangular wire loop of length L and width b is moved out with a uniform velocity v. suppose any instance x length of the loop is out of the magnetic field and L-x length is inside the loop.

Area of loop outside the field = b(L-x)

we know that flux φ= BA

B= magnitude of magnetic field , A= area

and emf $\epsilon= \frac{d\phi}{dt}$