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anyanavicka [17]
4 years ago
6

Why it is important to have exact standards of measurement

Physics
1 answer:
Tamiku [17]4 years ago
6 0

Answer:

reference against doubt

Explanation:

exact standards of measurement are a reference point for situations in doubt , a line against which to test and observe.

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Rae has just heard a loud crash from her garage. The impact of the sound wave bouncing against her eardrum sets off a chain reac
matrenka [14]

Answer:

Hammer

Anvil

Stirrup

Explanation:

The three tiny bones in the ear drum are:

Hammer, this is also known as malleus and it is attached to the eardrum

Anvil, this is also called incus and it found with the chain of bones in the middle ear.

Stirrup, also known as stapes and it attached to the membrane covered opening that connects the middle ear with the inner ear.

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3 years ago
In a circuit a battery is used to
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Produce power through the circuit.

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4 years ago
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riders on the tower of doom, an amusement park ride, experience 2.0 s of free fall, after which they are slowed to a stop in 0.5
Rainbow [258]

By Newton's second law, the apparent weight of rider coming at rest is <u>3548 N</u>.

According to formula, v = u + at

a = 39.2 m/s^{2}

Force, F = ma

F = m(a+g)

F = apparent weight

m = mass, given = 65 kg

a = acceleration, given = 39.2 m/s^{2}

g = 9.8 m/s^{2}

Put these values in formula, F = m(a+g)

F = 65(39.2+9.8)

F = 3548 N

Therefore, the apparent weight of rider coming at rest is <u>3548 N</u>.

Learn more about apparent weight here:- brainly.com/question/24897276

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6 0
1 year ago
In the unsaturated zone, the pores of the soil are totally filled with water. T or F
creativ13 [48]







the answer is clearly false

6 0
3 years ago
A net force of magnitude 36 N gives an object of mass m1 an acceleration of 6.0 m/s^2. The same net force gives m1 and another o
Jet001 [13]
This is a beautiful problem to test whether a student actually understands
Newton's 2nd law of motion . . . Force = (mass) x (acceleration). 

That simple law is all you need to solve this problem, but you need to
use it a few times.

m₁ alone:
                     Force = (mass) x (acceleration)

                       36 N = ( m₁ ) x  (6 m/s²)

                         m₁ = (36 N) / (6 m/s²)   

                         m₁  =  6 kilograms .

m₁ and m₂ glued together:
                     Force = (mass) x (acceleration)

                       36 N = (6 kg + m₂) x (2 m/s²)

                     6 kg + m₂  =  (36 N) / (2 m/s²)  =  18 kilograms

                               m₂  =  12 kilograms .

m₂ alone:
                     Force = (mass) x (acceleration)

                       36 N = (12 kg) x (acceleration)

                     Acceleration = (36 N) / (12 kg)

                     Acceleration  =   3 m/s²


3 0
4 years ago
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