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svetoff [14.1K]
3 years ago
5

Help Help just answers what ever you think is right but hurry

Physics
1 answer:
Dennis_Churaev [7]3 years ago
4 0

Answer:

it is caused by gases in earths atmosphere. it warms up earhs surface and lower atmosphere.

Explanation:

from what i know, these seem like the only ones that apply.

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Frequency definition class 9 sub science​
tia_tia [17]

Explanation:

1.

the rate at which something occurs over a particular period of time or in a given sample.

"an increase in the frequency of accidents due to increased overtime"

2.

the rate per second of a vibration constituting a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light).

"different thicknesses of glass will absorb different frequencies of sound"

7 0
3 years ago
Read 2 more answers
When designing an experiment how do you choose a system to investigate
Nana76 [90]
You pick a system for which no control sample exists, so that no one can show that the alleged causal relationships you assert do not, in fact, lead to the phenomenon you claim to have observed.
4 0
3 years ago
A 10 kg box hangs from a rope. What is the tension in the rope (in Newtons) if the box is stationary
Archy [21]

Answer:

T = 98 N

Explanation:

The gravity of the earth is known to be 9.8 m/s²

Data:

  • m = 10 kg
  • g = 9.8 m/s²
  • T = ?

Use formula:

  • \boxed{\bold{T=m*g}}

Replace and solve:

  • \boxed{\bold{T=10\ kg*9.8\frac{m}{s^{2}}}}
  • \boxed{\boxed{\bold{T=98\ N}}}

The tension in the rope is <u>98 Newtons.</u>

Greetings.

5 0
3 years ago
2- A car on a straight highway goes in the positive direction for 8 km and then backs up for 3.6 km. What are the distance and d
IRISSAK [1]

Answer:

11.6km

4.4km in the negative direction

Explanation:

Distance is the total length of path covered and traveled by a body.

So, for this car on a straight line;

  Total distance  = 8km + 3.6km  = 11.6km

Displacement is the distance traveled along a path and the direction it takes.

It is a vector quantity with magnitude and directional attributes.

For this journey;

 Displacement  = 8km  - 3.6km  = 4.4km in the negative direction.

4 0
3 years ago
Question 1
creativ13 [48]

Answer:

Epsilon Eridani

Explanation:

This is in the main sequence as you can see there is an area called "main sequence all you have to do is read all the stars and to see which one is in there and that is The epsilon eridani

6 0
3 years ago
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