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Alex_Xolod [135]
3 years ago
14

What does this observation tell you about the relationship between the external force applied and the object’s acceleration (the

rate of change in velocity)?
Physics
1 answer:
Dvinal [7]3 years ago
3 0

Explanation:

Newton’s second law of motion is closely related to Newton’s first law of motion. It mathematically states the cause and effect relationship between force and changes in motion. Newton’s second law of motion is more quantitative and is used extensively to calculate what happens in situations involving a force. Before we can write down Newton’s second law as a simple equation giving the exact relationship of force, mass, and acceleration, we need to sharpen some ideas that have already been mentioned.

First, what do we mean by a change in motion? The answer is that a change in motion is equivalent to a change in velocity. A change in velocity means, by definition, that there is an acceleration. Newton’s first law says that a net external force causes a change in motion; thus, we see that a net external force causes acceleration.

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A particular cylindrical bucket has a height of 36.0 cm, and the radius of its circular cross-section is 15 cm. The bucket is em
Andrew [12]

Answer:

12 cm

Explanation:

P_1 = Initial pressure = P_a=1\times 10^5\ Pa

P_2 = Final pressure = P_a+\rho_w gh

h = Depth of cylinder = 36 cm

g = Acceleration due to gravity = 10 m/s²

\rho_w = Density of water = 1000 kg/m³

h_1 = Depth of lake = 20 m

From the ideal gas relation we have

P_1V_1=P_2V_2\\\Rightarrow P_a(\pi r^2h)=(P_a+\rho_w gh_1)\pi r^2h'\\\Rightarrow 1\times 10^5\times 36=(1\times 10^5+1000\times 10\times 20)h'\\\Rightarrow h'=\dfrac{1\times 10^5\times 36}{1\times 10^5+1000\times 10\times 20}\\\Rightarrow h'=12\ cm

The height of the cylinder of air in the bucket when the bucket is at the given depth is 12 cm

6 0
4 years ago
what is the total magnification of a microscope with an eyepiece magnification of 10x and an objective lens magnification of 50x
Anon25 [30]

Answer:

500x

Explanation:

A microscope had an eyepiece magnification of 10x

The objective lens magnification is 50x

Therefore the total magnification can be calculated as follows

= 10 × 50

= 500x

Hence the total Magnificattion is 500x

8 0
3 years ago
Please explain what a fossil is be descreptive
yanalaym [24]
A fossil, in my opinion, is basically looking back in time when you see it. It's the bones of remains of an animal or organism that lived long ago, preserved in the ground through Earth's natural processes and dug up by paleontologists.
Hope this helped!
6 0
3 years ago
Read 2 more answers
A car can have no acceleration even if its moving <br>A. true <br>B. false
Tpy6a [65]

<span>it is false the answer
</span>
5 0
3 years ago
Read 2 more answers
PLEASE HELP
Papessa [141]
Y = v0t + 1/2gt^2.
v0 is 0 as it is at rest initially. So now we have y=1/2gt^2 so 60=1/2(9.8)t^2 and we must solve for t. t= about 3.5 seconds. Since the acceleration is 9.8 m/s^2 we do 9.8 m/s^2 times 3.5 seconds to get 34.3 m/s.
6 0
3 years ago
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