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kap26 [50]
3 years ago
14

Which of the following least represents an negative impact on Earth caused mostly by humans?

Physics
2 answers:
Virty [35]3 years ago
4 0
Deforestation. i hope it helps!
SIZIF [17.4K]3 years ago
3 0

Answer:

D

Explanation:

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Classify the following situations as involving balanced or unbalanced forces.
Murrr4er [49]

Answer:

11212121221212121212121212121212121212121212121221212

Explanation:

12121212 i am jj and i am 8

5 0
3 years ago
The 9-inch-long elephant nose fish in the Congo River generates a weak electric field around its body using an organ in its tail
Alik [6]

Answer:

1.34\cdot 10^{-16} C

Explanation:

The strength of the electric field produced by a charge Q is given by

E=k\frac{Q}{r^2}

where

Q is the charge

r is the distance from the charge

k is the Coulomb's constant

In this problem, the electric field that can be detected by the fish is

E=3.00 \mu N/C = 3.00\cdot 10^{-6}N/C

and the fish can detect the electric field at a distance of

r=63.5 cm = 0.635 m

Substituting these numbers into the equation and solving for Q, we find the amount of charge needed:

Q=\frac{Er^2}{k}=\frac{(3.00\cdot 10^{-6} N/C)(0.635 m)^2}{9\cdot 10^9 Nm^2 C^{-2}}=1.34\cdot 10^{-16} C

4 0
3 years ago
The weight of a body is 600 N. What is the mass of the body on the surface of the earth?​
mamaluj [8]

Explanation:

soln,

weight=600N

mass=?

gravity=9.8 m/s²

now,

  • mass=weight/gravity
  • mass=600/9.8
  • mass=61.22kg

hope it helps.

<h2>stay safe healthy and happy.</h2>
7 0
3 years ago
Read 2 more answers
-. A 2000 kilogram (kg) weather satellite is orbiting Earth. The satellite
melisa1 [442]

Answer:

H

Explanation:

I think it's H hope that helps

3 0
2 years ago
1) A speaker vibrates at a frequency of 2500 Hz. What is its period?
yarga [219]

It's easier for you to solve these than to try and read my solutions if I solve them.

Use this magic formula:

(period) · (frequency)  =  1

If you handle the magic formula carefully and correctly, you can get these facts out of it:

--  Period =  1 / frequency

-- Frequency =  1 / period

Use the first one to solve #1.

Use the second one to solve #2.

7 0
3 years ago
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