A force of 15 newtons is applied to both Object A with a mass of 25 kilograms and Object B with a mass of 50 kilograms. What is true about the acceleration of Object A and Object B?
Answers
Force = 15 N
M1 = 25 kg
M2 = 50 kg
a1 = ?
a2 = ?
For object 1:
15 N = 25 kg * a
a = 0.6
For object 2:
15 N = 50 * a
a = 0.3
Therefore, the acceleration of Object B is half that of Object A.
Answer:
776
Explanation:
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hope that this helps you!
Source: I had done a research about this. =)
B-2s
C-400s
D-800s
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Answer:
Option (B)
Explanation:
mass of car, m = 2000 kg, initial velocity of car, u = 40 m/s,
Force, F = 40,000 N, Final velocity, v = 0 m/s
Let the impact time be t.
By use of Newton's second law
F = m a
where, a be the acceleration and m be the mass.
40000 = 2000 x a
a = 20 m/s^2
Acceleration is negative because the car is stopped.
Use first equation of motion,
v = u + a x t
0 = 40 - 20 x t
t = 2 second
Answers
The statements which describe the principles of the big bang theory include:
- The universe is continuing to expand
- The universe stretched from a single point.
Big bang theory was postulated by Georges Lemaître and he is regarded as
the father of this principle. This principle talks about how the universe was
formed.
He proposed that the universe was formed from a single point which then
began expanding and stretching to accommodate more components.
Read more on brainly.com/question/6841128
Answer:
A and B
Explanation:
edge 2023
Answers
Explanation:
Hey there!
Given;
Mass of the Earth (M) = 6.0*10^24kg.
Radius of Earth (R) = 6400km = 6400*1000= 6.4*10^6.
Gravitational constant (G) = 6.67*10^-11Nm^2/kg^2.
Height from surface of Earth (h) = 350km= 3.5*10^5m
Gravity (g) = ?
We have;
Where "G" is gravitational constant, "M" is mass of earth, "g" is acceleration due to gravity, "h" height from surface of Earth.
Keep all values.
g=8.7m/s^2
Therefore,gravityfromdistance350kmabove theEarth'ssurfaceis8.7m/s^2.
Hopeithelps...
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Water pipes can burst during very cold winters due to a phenomenon known as "freeze-thaw cycle." When temperatures plummet, water inside the pipes can freeze, causing it to expand and exert pressure on the pipe walls.
Water molecules expand as they freeze, creating a buildup of pressure within the pipe. Pipes are designed to withstand a certain amount of pressure, but when it exceeds their capacity, they can rupture or burst. Furthermore, pipes made of materials like metal or plastic can become brittle in extremely cold temperatures. The cold causes the material to contract, reducing its flexibility and making it more susceptible to cracks and breaks. This can weaken the structural integrity of the pipe, making it more likely to rupture when subjected to the internal pressure from the frozen water. Preventing pipe bursts during cold winters involves insulating pipes, maintaining a constant flow of water, and keeping indoor spaces adequately heated to mitigate the freezing and expansion of water within the pipes.
Additionally, stagnant water in pipes is more prone to freezing than flowing water. Pipes that aren't used frequently, like those in less-used areas of a building, may freeze more easily during extended cold periods.
To know more about freeze-thaw cycle:
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