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Sonbull [250]
4 years ago
12

WILL GIVE BRAINLYEST!!!!!!!!!!!!

Physics
2 answers:
lakkis [162]4 years ago
6 0

I would say it would be the weight read.

Only because the Control is the type of liquid and the constants are Size of object and amount of liquid

Eva8 [605]4 years ago
4 0

Answer:

the amount of liquid in which the object was submerged

Explanation:

As we know that spring balance will read the spring force that is exerted by spring on the object

Now when the object is suspended by the spring then in that case the spring force is balanced by the weight so spring will read the correct mass of the object.

Now the object is suspended by the spring and then submerged into the liquid so in that case we can say

F_{spring} + F_b = mg

F_{spring} = mg - \rho_{liquid}Vg

so here the reading will be less and it depends on volume of object and density of liquid

so independent variable will be

the amount of liquid in which the object was submerged

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Marcie weighs 98 lbs. What is her mass?
azamat

Answer:

44.492 kg

Explanation:

Convert pounds to kilograms.

1 lb = 0.454 kg

98 lb * 0.454 kg =44.492 kg

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3 years ago
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A vertical spring (spring constant =160 N/m) is mounted on the floor. A 0.340-kg block is placed on top of the spring and pushed
AleksandrR [38]

(a) 3.5 Hz

The angular frequency in a spring-mass system is given by

\omega=\sqrt{\frac{k}{m}}

where

k is the spring constant

m is the mass

Here in this problem we have

k = 160 N/m

m = 0.340 kg

So the angular frequency is

\omega=\sqrt{\frac{160 N/m}{0.340 kg}}=21.7 rad/s

And the frequency of the motion instead is given by:

f=\frac{\omega}{2\pi}=\frac{21.7 rad/s}{2\pi}=3.5 Hz

(b) 0.021 m

The block is oscillating up and down together with the upper end of the spring. The block will lose contact with the spring when the direction of motion of the spring changes: this occurs when the spring is at maximum displacement, so at

x = A

where A is the amplitude of the motion.

The maximum displacement is given by Hook's law:

F=kA

where

F is the force applied initially to the spring, so it is equal to the weight of the block:

F=mg=(0.340 kg)(9.81 m/s^2)=3.34 N

k = 160 N/m is the spring constant

Solving for A, we find

A=\frac{F}{k}=\frac{3.34 N}{160 N/m}=0.021 m

3 0
3 years ago
Johannes Kepler used math to show that the planets move in perfect circles around the sun.
svet-max [94.6K]
Kepler actually showed that the planets move around the sun in ellipses, not circles. So the answer is false.
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3 years ago
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Water thtat is returned to the environment after secondary treatment is known as _____.
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The answer is C) Effluent

4 0
4 years ago
an image of a statue appears to be 11.5cm behind convex mirror with focal length 13.5cm. Find the distance from the statue to th
professor190 [17]

Answer:

77.625 cm

Explanation:

The given distance of the image behind the convex mirror, v = 11.5 cm

The focal length of the mirror, f = 13.5 cm

The mirror formula for convex mirror is given as follows;

\dfrac{1}{u} - \dfrac{1}{v} = -\dfrac{1}{f}

Where;

u = The distance from the statue to the mirror

Therefore, we get;

\dfrac{1}{u} = -\dfrac{1}{f} + \dfrac{1}{v}

Plugging in the values gives;

\dfrac{1}{u} = -\dfrac{1}{13.5} + \dfrac{1}{11.5} = \dfrac{8}{621}

∴ The distance from the statue to the mirror, u = 621/8 cm = 77.625 cm.

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