Answer:
50N
Explanation:
Force (N) = mass (kg) × acceleration (m/s²)
0.25kg times 200m/s² = 50N
B) <span>Scientific study of matter and how materials interact with each other at the atomic level
b/c chem has to do with atoms
</span>
Answer:

Explanation:
Given:
- diameter of pipe,

- diameter of throat,

- velocity of flow,

<u>Pressure in the pipe is twice the atmospheric pressure:</u>

<u>Now the force of flow of water:</u>

<u>now we find cross sectional area of the pipe:</u>



<u>Therefore,</u>


<u>Now the area at throat:</u>



<u>Therefore pressure at throat:</u>



Answer:
<h3>وذلك بسبب اختلاف نصف القطر من مكان لاخر, حيث ان التعجيل الارضي يعتمد على نصف القطر للكوكب بشكل اساسي.</h3>
Explanation: