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velikii [3]
3 years ago
10

Please someone help me !!

Physics
1 answer:
sergij07 [2.7K]3 years ago
6 0

Answer:

D

Explanation:

because if the solvent is more than the solvent then we can't resolve it.

so our product will be suspended

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Which one of the following distances is the shortest?
Kitty [74]
I think the correct answer is C
6 0
3 years ago
You want to lift a heavy box with a mass L = 56.0 kg using the two-ideal pulley system as shown. With what minimum force do you
Olin [163]

The minimum force required to lift the box at constant velocity is determined as 274.4 N.

<h3>Minimum force required</h3>

The minimum force required to lift the box at constant velocity is the tension in one of the pulleys, and the magnitude is calculated as follows;

2T = mg

where;

  • m is mass of the box
  • T is the minimum force required

2T = mg

T = mg/2

T = (56 x 9.8)/2

T = 274.4 N

Learn more about minimum force here: https://brainly.in/question/47873510

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3 0
2 years ago
A circular conical reservoir has depth 20 feet and radius of the top 10 feet. water is leaking out so that the surface is fallin
levacccp [35]

As per given condition we know that vertex angle of the cone is given as

tan\theta = \frac{R}{H}

so here we can say that vertex angle will remain constant

so here

\frac{r}{y} = \frac{R}{H}

\frac{r}{8} = \frac{10}{20}

r = 4 feet

now for the volume we can say

V = \frac{1}{3}\pi r^2 y

also we can say

r = \frac{y}{2}

so here we will have

V = \frac{1}{3}\pi (\frac{y}{2})^2y = \frac{1}{12}\pi y^3

now for volume flow rate

Q = \frac{dV}{dt} = \frac{3}{12}\pi y^2\frac{dy}{dt}

Q = \frac{1}{4}\pi y^2 v_y

now plug in all data

Q = \frac{1}{4} \pi (8)^2 (12) ft^3/h

Q = 603.2 ft^3/h

4 0
3 years ago
How far does the moon move away from earth every year?
Oxana [17]
The moon is moving away from Earth at a rate of approximately 3.78 cm per year.
This migration of the Moon from the Earth is mainly due to the action of the Earth tides. It can be explained as follows:
- the Moon exerts a gravitational force on the Earth, which is stronger at the Equator (since the Equator is closer to the Moon), creating the tides
- However, the Earth rotates faster on its axis (one rotation every 24 hours) than the Moon (one rotation every 27 days), therefore the tidal bulge on Earth tries to pull the Moon "ahead" in its orbit. As a result, the Moon tends to sped up.
<span>- As opposite reaction, the Earth tends to slow down in its rotation, with a loss of angular momentum. Since the angular momentum must be conserved, the radius of the orbit of the Moon becomes larger, and this explains why the Moon is moving away from the Earth.</span>
4 0
3 years ago
Read 2 more answers
A force is acting on a 3-kg object during 5 seconds. If the object initially has a speed of 1.5m/s and after applying the force
uranmaximum [27]

Answer:

1.5 N

Explanation:

You've left us to guess what the question is. I will Assume it is what's the force?

Givens

m = 3 kg

vi = 1.5 m/s

vf = 4 m/s

t = 5 seconds

Formula

F = m * (vf - vi)/t

Solution

F = 3 * (4 - 1.5) / 5

F = 1.5 N

3 0
2 years ago
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