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Paladinen [302]

3 years ago

13

One hypothesis states that plate movement results from convection currents in the a. inner core. c. lithosphere. b. asthenospher

e. d. outer core.

1 answer:

Goryan [66]3 years ago

5 0

One hypothesis states that plate movement results from convection currents in the <span>asthenosphere.

</span>

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What is the momentum of a vehicle that has a mass of 800 kg and is moving at a velocity of 5 m/s

yarga [219]

Answer:

4000 kg.m/s

Explanation:

p=mv

m=800 kg

v=5 m/s

p=(800)(5)= 4000 kg.m/s

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Question 4 of 10

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Answer:

Explanation:

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2 years ago

How can humans increase the rate of endangered of extinct species

labwork [276]

I would think A. Reduce Environmental Impacts.

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4 years ago

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Give an example of an energy conversion that produces an enwanted from of energy

stira [4]

An example of an energy conversion that produces an unwanted form of energy is mixing acids with water.

4 0

3 years ago

In proton beam therapy, a beam of high-energy protons is used to kill cancerous cells in a tumor. In one system, the beam, which

Thepotemich [5.8K]

The number of protons that strike the tumor each second is $1.75 \times 10^8$ protons.

<u>Given the following data:</u>

Energy of proton = $2.8 \times 10^{-11}$ Joules.

Current = 84 nA to A = $84 \times 10^{-9}$ Ampere.

Energy of total dose = $3.4 \times 10^{-3}$ Joules.

<u>Scientific data:</u>

Charge of proton = $1.602 \times 10^{-19}$ C.

To determine the number of protons that strike the tumor each second:

<h3>How to determine the number of protons.</h3>

Mathematically, the quantity of charge per unit time is given by this formula:

$Q =It=Ne\\\\N = \frac{Q}{e}$

<u>Where:</u>

N is the number of protons.

t is the time measured in seconds.

I is the current.

e is the charge of protons.

Substituting the parameters into the formula, we have;

$N=\frac{2.8 \times 10^{-11} }{1.602 \times 10^{-19}} \\\\N = 1.75 \times 10^{8}$ protons.

Read more on charges here: brainly.com/question/14372859

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2 years ago