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3 years ago

What is the “water cycle?”

Physics

2 answers:

IgorLugansk [536]3 years ago

5 0

Answer:

The water cycle consists of Evaporation, Convection, Precipitation and Collection :3

Explanation:

maxonik [38]3 years ago

3 0

Answer:

uhm

Explanation:

the water cycle describes the continuous moving of water on earth with steps called evaporation condensation precipitation the other one

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A 15 kg block is on a ramp which is inclined at 20o above the horizontal. It is connected by a string to a 19 kg mass which hang

12345 [234]

Answer:

The magnitude of the acceleration of the 19 kg block is 1.414 m/s²

Explanation:

From Newton's second law of motion;

$F_{Net} = ma$

where;

m is the mass of the objects involved, kg

a is the acceleration of the object, m/s²

different forces on the block and string

⇒force due to 15 kg block

=mgcosθ = 15×9.8×cos20 = 15×9.8×0.9396

= 138.12 N

⇒Tensional Force on 19 kg mass:

T = mg = 19×9.8 = 186.2 N

$F_{Net} = T-mg = a(m_1+m_2)$

186.2 - 138.12 = a(15+19)

48.08 = a(34)

a = 48.08/34

a = 1.414 m/s²

Therefore, the magnitude of the acceleration of the 19 kg block is 1.414 m/s²

7 0

4 years ago

A 10kg object experiences a horizontal force which causes it to accelerate 5 m/s2 moving it a distance of 20 m horizontally. How

mr_godi [17]

Answer:

The work done by the force is 1000 J.

Explanation:

Given:

Mass of object (m) = 10 kg

Acceleration of the object (a) = 5 m/s²

Displacement of the object (S) = 20 m

Using Newton's second law, we have:

Force = Mass × Acceleration

$F=ma$

Plug in the given values and solve for force 'F' acting on the object. This gives,

$F=(10\ kg)(5\ m/s^2)\\\\F=50\ N$

Now, work done by the force 'F' is equal to the product of force 'F' and the displacement it cause in its direction which is 20 m.

Therefore, the work done by the force is given as:

Work = Force × Displacement

$W=FS$

Plug in the values given and solve for 'W'. This gives,

$W=50\ N\times 20\ m \\\\W=1000\ J$

Therefore, the work done by the force is 1000 J.

7 0

4 years ago

What kind of organism always comes last in every food chain

Elena-2011 [213]

Tertiary consumer is always at the top.
The producer is always at the bottom.

4 0

3 years ago

Between which two points of a concave mirror should an object be placed to obtain a magnificati of -3

kobusy [5.1K]

Answer:

When object is placed between the focus (F) and pole (P) of a concave mirror, magnified and erect image of the object is formed on the back of the mirror.

When object is placed between the centre of curvature and the principal focus of a concave mirror, magnified and inverted image is formed in front of the mirror.

Explanation:

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3 years ago

Which terrestrial planet would have its surface temperature the most dramatically changed if its greenhouse gases were removed f

Veronika [31]

Venus. The atmosphere of Venus, in fact, is full of carbon dioxides, the main contributor to the dramatic greenhouse effect on the planet, which causes the surface temperature of Venus to reach 460 degrees Celsius. Without this effect, the surface temperature of Venus will be more similar to Earth's one (still a bit higher, given the smaller distance from the Sun).

3 0

4 years ago