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Tju [1.3M]
3 years ago
12

What would be the first thing you would do if your clothes caught fire while working in a laboratory? select one of the options

below as your answer:
a. call out to your teacher
b. drop and roll on the floor to extinguish the fire
c. run towards a source of water to extinguish the fire
Physics
1 answer:
Ksivusya [100]3 years ago
3 0
<span>c. run towards a source of water to extinguish the fire </span>
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One end of a rope is tied to the handle of a horizontally-oriented and uniform door. a force f is applied to the other end of th
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For rotational equilibrium of the door we can say that torque due to weight of the door must be counter balanced by the torque of external force

F\times L = mg \times \frac{L}{2}

here weight will act at mid point of door so its distance is half of the total distance where force is applied

here we know that

mg = 145 N

now we will have

F = \frac{mg}{2}

F = \frac{145}{2} = 72.5 N

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3 years ago
Describe a sea-level transgression
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What is the speed shown in the graph? which number do i start on?
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Answer:

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3 0
3 years ago
What is the weight of an 1000 gram mass
Reil [10]

That depends on where you weigh it.

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BTW ... 1,000 grams of mass is called ' one kilogram '.





8 0
3 years ago
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