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horsena [70]
3 years ago
10

Is anyone good at science I need help with 2 tests

Physics
1 answer:
Katyanochek1 [597]3 years ago
7 0

Answer:

i am!

Explanation:

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URGENT PLZ HELPPP!
Dovator [93]

λ = 3.125 m

λ = 2.83 m

<h3>Further explanation</h3>

Given

Frequency of radio : 96 MHz and 106 MHz

Required

The wavelength

Solution

Wavelength : from the crest to the crest of the next wave or the trough to the trough

Frequency (f): number of waves in one second

v = λ x f

λ = v : f

Input the value :

f = 96 MHz = 96 x 10⁶ Hz

λ = v : f

λ = 3 x 10⁸ :  96 x 10⁶

λ = 3.125 m

f = 106 MHz = 106 x 10⁶ Hz

λ = v : f

λ = 3 x 10⁸ :  106 x 10⁶

λ = 2.83 m

6 0
3 years ago
1.
MAXImum [283]

Answer:

true

Explanation:

Newton is the measure of the force with turns to be gravity multiplying the mass. Thus, the forces acts on the particles in the direction of the movement of the particles

7 0
3 years ago
Which of the following forms of energy must an object have if it is moving at a constant velocity?
lbvjy [14]

Answer:

Kinetic energy

Explanation:

5 0
3 years ago
An electric power station is producing 210 kW of power that is to be sent to a small town located 34.0 km away. Each of the two
gladu [14]

You probably know this equation giving the power dissipated:

P = IV

P = power, I = current, V = applied voltage

We can substitute I = V/R from Ohm's law:

P = V²/R

Given values:

V = 30.0×10³V, R = 0.40Ω/km×34.0km = 13.6Ω

Plug in and solve for P:

P = (30.0×10³)²/13.6

P = 6.62×10⁷W

5 0
3 years ago
Why is oxygen gas usually stored in metal cylinders?
olga2289 [7]
The reason oxygen and other gasses are stored in metal cylinders is that of the simple fact it's a gas.  The reasoning behind it is to safely store the gas with no leaking etc.

"The purpose of this safety policy and procedure is to establish guidelines for the protection and safety of ([COMPANY]) employees who handle and use compressed gases. Compressed gases are typically stored under pressure in metal cylinders. These cylinders are designed and constructed to withstand high pressures. Improper handling and use of compressed gases can result in devastating consequences.

This safety policy and procedure provide guidelines for the safe handling and use of compressed gases. It includes provisions for training and presents safe handling guidelines. It also presents the types, uses, inspection, and marking requirements of compressed gas cylinders. Additionally, this safety policy and procedure present transportation and storage requirements for compressed gas cylinders."


quoted answers belong to: 


<span>https://www.safetyinfo.com/written-safety-programs-compressed-gas-cylinder-safety-program-free-index...
</span>


I take NO CREDIT in this answer.  All quoted answers are copied from the link above,  I am only here to help, not to get into trouble.  

4 0
3 years ago
Read 2 more answers
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