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2 years ago

Plz answer this very soon

Physics

2 answers:

kherson [118]2 years ago

7 0

Answer:

hope u get a hundred

Explanation:

tester [92]2 years ago

6 0

Answer:

Im gonna say it is answer A:) Hope this helps!

Explanation:

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If you use a 1500 watt sound system for 5 hours a day , calculate the amount of electricity used

Strike441 [17]

Answer:

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2 years ago

WILL GIVE BRAINLYST A flower pot is thrown out of a window with a horizontal velocity of 8 m/s. If the window is 1.5 m off the g

stich3 [128]

-- Use the formula D=(1/2)·(g)·(t²) to calculate how long
it takes the flower pot to fall to the ground.

1.5 m = (1/2) · (9.8 m/s²) · (t²)

t² = (1.5 m) / (4.9 m/s²)

t = 0.554 second

-- Use the formula Distance = (speed)·(time) to calculate
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Distance = (8 m/s) · (0.554 sec)

Distance horizontally = 4.43 meters

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3 years ago

two masses are kept 2 metre apart there is gravitational force of 2 Newton what is the gravitational force when they are kept at

sukhopar [10]

Answer: 0.5N

Explanation:

Gravitational force is calculated using the formula :

F = Gm1m2/r^2

Where G is the gravitational constant (6.67 × 10^-11)

At a distance 'r' of 2metres apart:

Mass of objects are m1 and m2

Gravitational force 'F1' = 2N

Inputting values into the formula :

2 = Gm1m2 / 2^2 - - - - - (1)

At a distance 'r' of 4meters apart:

Mass of objects are m1 and m2

Gravitational force 'F2' = y

Inputting values

F2 = Gm1m2 / 4^2 - - - - - (2)

Dividing equations 1 and 2

2 = Gm1m2 / 2^2 ÷ F2 = Gm1m2 / 4^2

2 / F2 = (Gm1m2 / 4) / (Gm1m2 / 16)

2 / F2 = (Gm1m2 / 4) × (16 / Gm1m2)

2/F2 = 16 / 4

Cross multiply

2 × 4 = 16 × F2

8 = 16F2

F2 = 8/16

F2 = 0.5N

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3 years ago

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Aloiza [94]

Answer:

Stars are powered by nuclear fusion in their cores, mostly converting hydrogen into helium. The production of new elements via nuclear reactions is called nucleosynthesis. A star's mass determines what other type of nucleosynthesis occurs in its core (or during explosive changes in its life cycle).

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2 years ago

A blank is any disturbance that carries energy from one place to another through matter and space.

Eduardwww [97]

<h3>Answer;</h3>

<em><u>A wave</u></em> is any form of a disturbance that carries energy from one place to another through a matter and space

<h3>Explanation;</h3>

Waves carry energy from one point, the source to another point or place. The transmission of a wave may occur through the space or through a material medium.
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The energy of wave depends on the frequency of the wave and the wavelength of that particular wave.

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2 years ago

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