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2 years ago

How can hand tools help every technician for their safety in doing hard servicing activities

Physics

1 answer:

Anni [7]2 years ago

5 0

Answer: Hand tools are necessary for daily activities.

Explanation:

The hand tools are useful for day to day activities they aid in pouring substances, holding things, mixing substances, cleaning and for other purposes. In a chemical laboratory the hand tools like test tube holders can help in holding the chemicals. In a medical laboratory the forceps can be useful in holding and cutting the sections without causing any harm to the hands. Hand tools avoid the direct contact with the microorganisms in medical laboratory thus protect against infections. Hand tools aid in surgical operations and they help in avoiding direct contact with the blood vessels and organs preventing contamination and infections.

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Imagine you are on the top of a mountain with four basketballs. The mass of the four basketballs are 100 kilograms, 200 kilogram

pentagon [3]

Answer:

400 kilogram

Explanation:

Force exerted is directly proportional to the mass of an object.

F=ma where m is mass and a is acceleration. Taking uniform acceleration on all objects then the larger the mass the higher the force and vice versa. Theredore, among the masses given, 400 kilograms is the largest hence it exerts the largest force at the bottom

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3 years ago

A frictionless piston–cylinder device contains 7 kg of nitrogen at 100 kPa and 250 K. Nitrogen is now compressed slowly accordin

lora16 [44]

Answer: -1038.8 kJ

Explanation:

From the question, we can see that PV^n = constant. And as such, we can deduce that it is a polytropic process. Thus, we can use the polytropic work equation to calculate the needed work input.

from the question we were given

Mass of nitrogen, m = 7kg

initial temperature, T1 = 250k

Final temperature, T2 = 450k

Polytropic index, n = 1.4

Specific gas constant, R = 0.2968kJ/kgK

W = [p2 * v2 - p1 * v1] / 1 - n

W = [m * R * T2 - T1] / 1 - n

W = 7*0.2968*(450 - 250)] / 1 - 1.4

W = [7*0.2968*200] / -0.4

W = 415.52 / -0.4

W = -1038.8 kJ

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3 years ago

How does condensation form in a terrarium?

sveticcg [70]

Answer:

Water is condensing due to the difference in temperature between the inside and outside of your terrarium. If your cold house is cooling the temperature of the glass, when warm terrarium air hits the cold surface it reaches its dew point and condenses

3 0

2 years ago

A transformer has a primary voltage of 115 V and a secondary voltage of 24 V. If the number of turns in the primary is 345, how

Eduardwww [97]

Here's a fun and useful factoid:

   The ratio of the voltages on a transformer is the same
   as the ratio of the number of turns in each winding.

So the ratio of (345 to the secondary turns) is (115V to 24V).

That's a proportion.

   (115/24) = (345/x)

I'll bet you can take it and solve it from here.
Just cross-multiply in the proportion and etc. etc.

6 0

3 years ago

What is noncontact force

Musya8 [376]

Answer:

A non-contact force is a force which acts on an object without coming physically in contact with it.

Explanation:

For example:

Gravitational force.

Magnetic force.

Electrostatics.

Nuclear force.

6 0

3 years ago

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How can hand tools help every technician for their safety in doing hard servicing activities​

How can hand tools help every technician for their safety in doing hard servicing activities