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makvit [3.9K]
4 years ago
6

What would happen if the moon was hit by an asteroid

Physics
1 answer:
Semmy [17]4 years ago
8 0
If the moon was hit by an asteroid there would be a crater mark and possible movement.
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PLEASE HELP ASAP!!!
I am Lyosha [343]

Answer:

B - Velocity

Explanation:

Velocity definition: “The speed of something in a given direction.”

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3 years ago
A shell traveling with speed, v0 , exactly horizontally and due north explodes into two equal mass fragments. It is observed tha
yanalaym [24]

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yeah

Explanation:

yeah yeah yeah yeah

3 0
3 years ago
T/F The outer planets have solid surfaces that are very rocky and dense
Luba_88 [7]

Answer:

False

Explanation:

the inner planets have solid rocky dense surfaces

6 0
3 years ago
(a) Calculate the self-inductance of a solenoid that is
adell [148]

Answer:

a) 0.142mH

b) 14mV

Explanation:

the complete answer is:

(a) Calculate the self-inductance of a solenoid that is <ghtly wound with wire of diameter 0.10 cm, has a cross-sec<onal area of 0.90 cm2 , and is 40 cm long. (b) If the current through the solenoid decreases uniformly from 10 to 0 A in 0.10 s, what is the emf induced between the ends of the solenoid

a) the self inductance of a solenoid is given by:

L=\frac{\mu_o N^2 A}{L}

μo: magnetic permeability of vacuum = 4\pi*10^{-7}N/A^2

A: cross sectional area = 0.9cm^2=9*10^{-5}m

L: length of the solenoid = 40cm = 0.4m

The N turns of the wire is calculated by using the diameter of the wire:

N = (40cm)/(0.10cm)=400

By replacing in the formula you obtain:

L=\frac{(4\pi *10^{-7}N/A^2)(400)^2(9*10^{-5}m^2))}{(0.4m)}=1.42*10^{-4}H

the self inductance is 1.42*10^{-4}H = 0.142mH

b) to find the emf you can use:

emf=L\frac{\Delta I}{\Delta t}=(1.42*10^{-4}H)\frac{10A-0A}{0.10s}=0.014V=14mV

the emf induced is 14mV

4 0
3 years ago
A light-year is a measurement of _____.<br> a. time<br> b. gravity<br> c. energy<br> d. distance
Evgen [1.6K]
D. distance

A light-year is the distance light would travel in 1 year.
6 0
3 years ago
Read 2 more answers
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