What is the process of making acid rain? beginning from burning of fossil fuels...to gaseous products released..to nitrogen oxid
1 answer:
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Answer:
In the explanation
Explanation:
<u>Experiment</u>:
Consider two billiard balls of masses ‘m₁’ and ‘m₂’, moving with velocities ‘u₁’ and ‘u₂’, respectively, such that u₁ is greater than u₂. After some time, these balls collide with each other and their velocities become ‘v₁’ and ‘v₂’, respectively.
<u>Observation</u>:
The masses of balls should be measured and their initial and final velocities should be measured.
<u>Result</u>:
In order to prove law of conservation of moment following equation must be satisfied by observed values:
Answer:
Weight needed to balance the bar is
Explanation:
Given the weight of the bar is
The length of the bar is
The weight of the bar will be uniformly distributed over the entire span. We will consider this as a point load acting in the middle of span length, which is at a distance of from both ends.
Now applying momentum equation about balanced load we get, (see attachment)
