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Lyrx [107]
2 years ago
6

WILL MARK BRAINLIEST

Physics
1 answer:
Komok [63]2 years ago
6 0

Answer:

yes every action as an equal and and opposite reaction. if you throw a tool then it will give you a reaction and you will move back.

Explanation:

According to Newton's third law of motion, when two bodies interact between them, appear equal forces and opposite senses in each of them.  

To understand it better:  

Each time a body or object exerts a force on a second body or object, it (the second body) will exert a force of equal magnitude but in the opposite direction on the first.  

So, if you as an astronaut in the described situation throw your tool  in the direction that you are traveling (in the opposite direction of the space station), according to Newton's third law, you will be automatically moving towards the station

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A gold ball has a mass of 45g. In a speed test, a golf ball was driven from rest to a velocity of 90m/s.
Andrew [12]

Answer:

1)

Acceleration (a)=change in velocity/ change in time

Velocity (v)=90m/s

Time=0.0005s

a=90/0.0005

The acceleration =180000m/s^2 or 180km/s^2

Force = mass x acceleration

m=40g= 0.04kg

F= 0.04x 180000

F= 7200N or 7.2kN

Explanation:

7 0
3 years ago
As ice melts, more sunlight is absorbed. As more sunlight is absorbed, the atmosphere heats up. As the atmosphere heats up, more
Ne4ueva [31]

Answer: Conduction

Explanation: As ice melts,more sunlight is absorbed,as more sunlight is absorbed,the atmosphere heats up,as the atmosphere heats up,more ice melts. This whole process is known as CONDUCTION.

Conduction occurs when there is different temperature between two materials, when there exist a transfer energy(i.e transfer from higher-energy atoms in the hot region to the lower-energy atoms in the cold region). When the atmosphere is heated up due to sunlight,there is a rise in temperature which makes the ice to melt due to transfer of warmth it absorbed from sunlight.

3 0
3 years ago
3. A child decides to keep his goldfish outside in a small bowl. He has to add water every day to keep
weeeeeb [17]
Humidity is 90 it will be hotter so the child has to add water to the goldfish bowl
5 0
3 years ago
What is force? Define with an example.​
katrin [286]

Explanation:

A force involves an interaction between two or more objects, and it causes a push or pull between the objects. An example of opposing force include drag due to interaction with an air mass and the force due to friction between two objects.

hope it helps!

5 0
3 years ago
A point charge q1 = -2.9 μC is located at the origin of a co-ordinate system. Another point charge q2 = 6.4 μC is located along
sveticcg [70]

Answer:

q3 = 1.04 μC    q1 = -4.16 μC

Explanation:

a) In order to find the value of the forces due to q1 and q3 on q2, we need to know first the distance between those charges and q2.

The coordinates for q2 are x₂ = 7.6 cm, y₂ = 2.5 cm.

The distance from the origin can be found applying the Pythagorean Theorem, as follows:

d₁₂ = √(7.6)²+(2.5)² = 8.0 cm

As q3 is positioned halfway between q1 (which is at the origin)  and q2 (which is at 8 cm. from the origin along a straight line), we conclude that q3 is located at 4 cm. from q2, and q1 at 8 cm. from q2 too.

According to Coulomb´s Law the force that both charges exert on q2, can be found applying superposition, as follows:

F₂ = F₁₂ + F₃₂ = 11.35 N

⇒ F₁₂ =9*10⁹ N*m²/C²*6.4*10⁻⁶μC*(-2.9 μC) /(0.0064)m² = -26.1 N

⇒F₃₂ = 11.35 N - (-26.1N) = 37.45 N

⇒ 37.45 N = 9*10⁹ N*m²/C²*6.4*10⁻⁶μC* q3 /(0.0016)m²

Solving for q3, we get:

q3 = (37.45 N / 36 N)* μC = 1.04 μC (q3 is a positive charge as expected).

b) Keeping q2 and q3 fixed, in order to make the net force on q2 equal to zero, we need to change the value of F₁₂ only, as follows:

F₁₂ + F₃₂ = 0 ⇒ F₁₂ = - F₃₂ = -37.45 N

⇒ -37.45 N = 9*10⁹ N*m²/C²*6.4*10⁻⁶μC*q1 /(0.0064)m²

⇒ q1 = (-37.45 N / 9 N) μC = -4.16 μC

As expected, we need that q1 be more negative in order to counteract the net force pointing away from q1.

5 0
3 years ago
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