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Slav-nsk [51]
3 years ago
8

An object dropped from Cliff falls with a constant acceleration of 10 metre per second square find its Speed of two seconds afte

r it was dropped
Physics
2 answers:
Nastasia [14]3 years ago
8 0

Answer:

20 meters per second

Explanation:

All you have to do is multiply 10 meter by the speed of two seconds which is 20 METERS PER SECOND

PLEASE MARK BRAINLIEST KIND PERSON :)

<u><em>~Luis~</em></u>

julsineya [31]3 years ago
3 0

Answer:

20 meters per second

Explanation:

If an object accelerates for 2 seconds, and accelerates by 10 meters per second, then that objects speed will be 20 meters per second, assuming hat there are no other factors involved.

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Which of the following explains how movement of material within Earth causes volcanic eruptions?
Harman [31]
It's one plate moves below the other due to the movement in the mantle
5 0
3 years ago
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A Styrofoam ball has just been shot straight up. Air resistance is not negligible (free body diagram)
timofeeve [1]

In a free body diagram for an object projected upwards;

  • the acceleration due to gravity on the object is always directed downwards.
  • the velocity of the object is always in the direction of the object's motion.

An object projected upwards is subjected to influence of acceleration due to gravity.

As the object accelerates upwards, its velocity decreases until the object reaches maximum height where its velocity becomes zero and as the object descends its velocity increases, which eventually becomes maximum before the object hits the ground.

To construct a free body diagram for this motion, we consider the following;

  • the acceleration due to gravity on the object is always directed downwards
  • the velocity of the object is always in the direction of the object's motion.

<u>For instance:</u>

upward motion for velocity  ↑        downward motion for velocity  ↓

                                              ↑                                                            ↓

                                              ↑                                                            ↓

acceleration due to gravity ↓

                                             ↓

                                             ↓

Learn more here: brainly.com/question/13235430

5 0
3 years ago
Radio astronomers detect electromagnetic radiation at 44.0 MHz from an interstellar gas cloud. They suspect this radiation is em
Shtirlitz [24]

Answer:

The magnetic field strength is  B = 1.57*10^{-3} \ T

Explanation:

The objective of the solution is to obtain the magnetic field strength inside the gas cloud and in order to do so we would be employing the mathematical expression of magnetic field strength which is represented as

                    B = \frac{2 \pi f m}{q}

Where B is the magnetic field strength

           f is the frequency

           m is the mass

           q is the  charge

From the question

       f = 44.0MHz = 44.0*10^{6}Hz

Generally the mass of an electron which is the is particle

     m = 9.11*10^{-31}kg

And the charge q is generally

        q= 1.6*10^{-19} C

Note that this electromagnetic radiation with frequency 44.0MHz is a moving electron mass

   substituting these values into the equation for the magnetic field strength

                B = \frac{2 \pi (44*10^{6})(9.11*10^{-31})}{1.6*10^{-19}}  = 1.57*10^{-3} T

7 0
4 years ago
On which of the temperature scales does water boil at the highest numerical value? A. Celsius B. Fahrenheit C. Kelvin D. Latent
velikii [3]
Answer is C. Kelvin, Kelvin is the temperature scales does water boil at the highest numerical value. Hope it helped you, and have a great day.

-Charlie
7 0
4 years ago
Read 2 more answers
Please help (will mark brainliest)
serg [7]

Answer:

if im not mistaken i think its d let me know if correct plz

7 0
3 years ago
Read 2 more answers
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