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elixir [45]
3 years ago
8

Why is the earth's magnetic field important for us?

Physics
1 answer:
Nataly_w [17]3 years ago
8 0
It protects us from the magnetic/electrical radiation that comes from the sun. High radiation periods coincide with solar storms.
You might be interested in
A truck heading east has an initial velocity of 6/ms. It accelerates at 2/ms2 for 12 seconds. What distance does the truck trave
frez [133]

Answer:

216m

Explanation:

As we know S=ut+1/2at^2

S=6×12+1/2×2×12×12

=72+144

=216 m

4 0
3 years ago
For a moving object, the force acting on the object varies directly with the object's acceleration. When a force of 81 N acts on
tensa zangetsu [6.8K]

Answer:

18 N

Explanation:

You have to do:

81 N: 9 ms2= x: 2 ms2

6 0
3 years ago
2 ways in which a weather satellite can orbit the earth
avanturin [10]

Answer:

The two most common types of orbit are "geostationary" and "polar."

6 0
2 years ago
Read 2 more answers
Which statements describe using genetic factors to influence the growth of organisms? Select the three (3) that apply.
Damm [24]

Answer:

- increasing use of hybrid crops

- altering genes in DNA to create new plants

- developing disease or pest resistant crops

Explanation:

The use of genetic factors to influence the growth of a plant encompasses manipulating the genetic constituent (gene) of such plant.

For example,

- Increasing use of hybrid crops entails mating two pure bred plants based on a gene of interest responsible for a particular trait, to form a hybrid.

- Altering genes in DNA to create new plants is also a genetic factor as it has to with gene modification.

- developing disease or pest resistant crops means that the genetic make up of such plant has been modified to be resistant to pest/disease.

6 0
2 years ago
How long does it take an airplane to fly 1200 miles if it maintains a speed of 300 miles per hour
sdas [7]

Answer:

The answer is

<h2>4 hrs</h2>

Explanation:

To find the time taken we use the formula

t =  \frac{d}{v}  \\

where

d is the distance covered

v is the velocity

t is the time

From the question

d = 1200 miles

v = 300 mi/hr

We have

t =  \frac{1200}{300}  =  \frac{12}{3}  \\

We have the final answer as

<h3>4 hrs</h3>

Hope this helps you

5 0
3 years ago
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