3 years ago

I don't know what the answer is please help ...

Physics

1 answer:

Tems11 [23]3 years ago

7 0

It doesn't work the same as the other because one is ultraviolet while the other is infrared.

You might be interested in

A speaker emits sound waves in all directions, and at a distance of 28 m from it the intensity level is 73 db. What is the total

Oduvanchick [21]

Answer:

P=0.197 Watt

Explanation:

Given That

B=73dB

Io= 1 * 10^-12

$I=Io * 10^{\frac{B}{10} } \\I=2 * 10^{-5} Wm^{-2} \\A=4 * pi * r^{2}\\ A=9852.03 m^{2}\\ Power= I * A\\P= 0.197 Watt$

6 0

3 years ago

When a current flows through a metal wire, the moving charges are When a current flows through a metal wire, the moving charges

allochka39001 [22]

Answer:

Only electrons

Explanation:

When a current flows through a metal wire, the moving charges are electrons since electric current is the flow of electric charge in an electric circuit. This electric charge are therefore electrons.

8 0

4 years ago

Mikes car can accelerate from 0 mph to 40mph in 5 seconds what is the acceeration of his car in miles per hour per second

Montano1993 [528]

40/5=8. His speed increases 8mph/second :)

8 0

3 years ago

Read 2 more answers

Based on its location on the periodic table, an element that is not naturally occurring is?

Scorpion4ik [409]

this is a link to a web sight with a diagram to help you

https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwjw4v7knNDgAhVyUN8KHWgWD-wQjRx6BAgBEAU&url=%2Furl%3Fsa%3Di%26source%3Dimages%26cd%3D%26ved%3D%26url%3Dhttps%253A%252F%252Ffuturism.com%252Fwhere-do-all-the-elements-come-from%26psig%3DAOvVaw19_FOCuWs_nMsyY1YT0Da-%26ust%3D1550955269844922&psig=AOvVaw19_FOCuWs_nMsyY1YT0Da-&ust=1550955269844922

7 0

4 years ago

A dry cell changes ____ energy into ____energy.

zmey [24]

<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ A dry cell changes chemical energy into electrical energy.

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

5 0

3 years ago

Read 2 more answers