3 years ago

Which statement about the reaction is correct?

Physics

1 answer:

balu736 [363]3 years ago

8 0

Answer:

I think D am not pretty show

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An iron weight, suspended by a string, is motionless. The tension in the string is 4.75 newtons. What is the mass of the iron we

kakasveta [241]

Since weight is motionless, net force is equal to zero.
According to Newton's 2nd law of motion,

T - mg = 0-----------(T = tension, mg = weight of mass)

4.75 = m x 9.8
m = 4.75/9.8

m = 0.48 kg.

Hope this helps\!

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3 years ago

You see an image of yourself in a mirror because light waves are A) diffracted. B) reflected back at you. C) refracted through a

kondaur [170]

Answer:

(b) reflected back at you

Explanation:

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4 years ago

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The pacefic ocean has a surface area of about 166 241 700km^2 and an average depth of 3940 m. Estimate the volume of the Pacific

posledela

Answer:

$\lim_{(x,y) \to \(0,0)} \frac{2x {y}^{2} }{ {x}^{2} {y}^{2} }$

Explanation:

$\lim_{(x,y) \to \(0,0)}$

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3 years ago

The manometer shown in fig. 2 contains water and kerosene. with both tubes open to the atmosphere, the free-surface elevations d

ozzi

The solution for this problem is: In the figure, you now know that total length of the kerosene column
So at x – xPatm + Pkg(H0 th) = Pa + Pwgh
Now H0 + h = 20 + 91.1 mm = 111.1 mm
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Therefore H0 = 111.1 - 81= 30.1 mm

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3 years ago

What is the magnitude of fs on an object lying on a flat surface without moving, on

Degger [83]

The magnitude of the force acting on the object lying on a flat surface without moving is 10 N.

The given parameters;

magnitude of force on the object, F = 10 N

angle between the object and the horizontal flat surface = 0⁰

Apply Newton's second law of motion to determine the magnitude of the force on the object.

Due to the position of the object, the magnitude of the force acting on it is calculated as;

$\Sigma F_{net} = F\sin(\theta ) + F cos(\theta)\\\\\Sigma F_{net} = 10 sin(0) + 10cos(0)\\\\\Sigma F_{net} = 10 \ N$

Therefore, the magnitude of the force acting on the object is 10 N.

Learn more here: brainly.com/question/19887955

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3 years ago