Each box contains information from two different ecosystems about a similar pattern of
interaction between two species that live in close association with each other.

Categorize the type of symbiotic relationships described in the boxed information.

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Answer:

Gravitational force is an attraction between masses. The greater the size of the masses, the greater the size of the gravitational force (also called the gravity force). The gravitational force weakens rapidly with increasing distance between masses

A magnet can be used to show electromagnetic forces by showing how negative charges can move a particular piece of  metal.

A scientific question is a given question derived from observation of the real world and can be answered by applying the scientific method.

In this case, a plausible scientific question might be how electromagnetic forces can move a piece of metal and we need to develop an explanation (hypothesis) to understand it.

In conclusion, a magnet can be used to show electromagnetic forces by showing how negative charges can move a metal.

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Answer:

How can magnetic and electric fields be demonstrated?

Explanation:

The change in momentum of the object during the half period is -10 kgm/s.

The change in momentum of the object during the one period is 0.

The change in momentum of the object during the half period is calculated as follows;

ΔP(¹/₂) = Pf - Pi

where;

ΔP(¹/₂) = (-5 x ) - (5 x 1)  

ΔP(¹/₂) = -10 kgm/s

ΔP(1) = Pf - Pi

ΔP(1) = (5 x 1) - (5 x 1) = 0

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Answer:

12.65 Meters / Second (m/s)

Explanation:

the problem is really easy to solve, we begin by stating the kinetic energy formula which is:

KE = (1/2)(mass)(velocity)^2

We equate 1200 J to the formula, substitute the mass, and solve for velocity either using a CAS, app, or by hand

1200J = (0.5)(15kg)v^2

v = 12.65 m/s

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2300 N upward

Explanation:

The force by weight of balloon = 1000 N

The atmospheric force experienced by balloon = 3300 N

While weight of balloon is attracted by gravity so the force of weight will act downward

And the atmospheric force gives upward lifting force to the balloon

Net force = atmospheric force - weight of balloon

= 3300 - 1000

= 2300 N

As the atmospheric force is more dominating the balloon will goes upward with 2300 N force

Answer:

The smart car hit with the greater force

Explanation:

Despite the trailers weight, the smart car moves with more speed and momentum than that of the trailer...

I don't even understand what I'm typing

Both will exert equal and opposite force on each other.

When a tractor-trailer and a smart car collide head-on, we can determine the relative forces experienced by each vehicle using Newton's second law of motion.

According to this law, the force acting on an object is equal to the rate of change of its momentum.

Let's consider the tractor-trailer as object 1 with mass [tex]\(M_1\)[/tex] and velocity [tex]\(V_1\)[/tex], and the smart car as object 2 with mass [tex]\(M_2\)[/tex] and velocity [tex]\(V_2\)[/tex].

The force exerted on object 1 due to object 2 [tex](\(F_{12}\))[/tex] can be calculated as:

[tex]\[F_{12} = M_1 \cdot \frac{{dV_1}}{{dt}}\][/tex]

Similarly, the force exerted on object 2 due to object 1 [tex](\(F_{21}\))[/tex] can be calculated as:

[tex]\[F_{21} = M_2 \cdot \frac{{dV_2}}{{dt}}\][/tex]

Since the collision is head-on, the direction of the forces will be opposite for the two objects.

To determine which object experiences a greater force, we need to compare the magnitudes of [tex]\(F_{12}\) and \(F_{21}\)[/tex] = 0 by Newton's third law.

Thus, both will exert equal and opposite force on each other.

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Answer:

A. Sulfur _________ group 16 chalcogens

B. Sodium _________ group 1 alkali metals

C. Argon _________ group 18 noble gases

D. Silicon _________ group 14 carbon family

E. Chlorine _________ group 17 halogens

F. Phosphorus_________ group 15 pnicogens

From the calculation, we can see that the electrostatic force on the material is 1200 N.

The electrostatic force is described by Coulumb's law. According to the law;

F = Kq1q2/r^2

Where;

q1 = -4 * 10^-3 C

q2 = -3 * 10^-3 C

r = 3 m

K = 9 * 10^9

Hence

F = 9 * 10^9 * -4 * 10^-3 C * -3 * 10^-3 C/(3)^2

F = 1200 N

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Answer:

4000Ns

Explanation:

I=F×T=400N×10ms

Hi there!

Recall the equation for magnetic force on a wire:
[tex]F_B = B \times iL[/tex]

[tex]F_B[/tex] = Magnetic force (N)

B = Magnetic field strength (0.2 T)
i = Current in wire (? A)
L = Length of wire (0.25 m)

This is a cross-product, but we can assume the field is perpendicular to the current since it is not explicitly stated otherwise.

The equation for the weight of an object (Force due to gravity) is given by:
[tex]F_g = mg[/tex]

m = mass of object (0.01 kg)
g = acceleration due to gravity (9.81 m/s²)

Set the two equations equal to each other and solve for 'i'.

[tex]F_B = F_g\\\\BiL = mg\\\\i = \frac{mg}{BL} = \frac{0.01 * 9.81}{0.2 * 0.25} = \boxed{1.962A \approx 2.0 A}[/tex].

Answer:

power is 100W

Explanation: power= joule/second

power= 2500/25

=100W

Answer:

1. The faster the coil rotates the faster will it cut the magnetic field and the bigger will be the output voltage.

2. You could increase the output voltage of a generator by rotating it faster, increasing the number of turns on the coil or using stronger magnets,

Explanation:

Hopefully this helps if not im terribly sorry

If we keep increasing the ramp angle, the angle that the object starts to move downward is 26.6°

To find the ramp angle, we need to know the forces acting on the mass on the ramp.

Since the mass will just start to move, the force acting on the mass in the horizontal direction is the horizontal component of its weight in that direct. So, F = mgsinθ. where θ = ramp angle

The force acting on the mass in the vertical direction is the vertical component of its weight, F' = mgcosθ where θ = ramp angle

For the mass to just start to move downwards, the horizontal component of its weight must equal the static frictional force, f on it.

F = f

Since f = μN where

So, F = f

mgsinθ = μmgcosθ

Dividing through by mgcosθ, we have

mgsinθ/mgcosθ = μmgcosθ/mgcosθ

sinθ/cosθ = μ

μ = tanθ

So, the angle at which the object starts to move downward is

θ = tan⁻¹μ

Since μ = 0.5

θ = tan⁻¹0.5

θ = 26.57°

θ ≅ 26.6°

So, the angle at which the object starts to move downward is 26.6°.

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Answer:

its 20 n because of the temeture

Explanation:

because

Hello There!!

=> Let The Answer be "x"

________________________________

=> He don't have a child so he is not a father

________________________________

=> Kinematics is a part of science not history.

__________________________________

Hope this helps :D

Answer:

i just wrote this much hope it will help u little

Explanation:

kinematics is the branch of physical which deals with the study of motion as the function of time.Frank reuleaux is known as the father of kinematics.the word *kinematics" comes from a greek word "kinesis" meaning motion.

inelastic collision

m.8 - m.6 = 2mv'

2m = 2mv'

v' = 1 m/s

Answer:

1 m/s

Explanation:

According to the Law of Conservation of Momentum, (for inelastic collisions)

Answer:

c

Explanation:

X-ray tube is an evacuated electron tube that creates X rays by accelerating electrons to a high velocity and causing them to collide with a target, the anode plate, using a high-voltage field.

The power dissipate due to internal resistor​ is 400 W.

The power dissipate due to internal resistor​ is calculated as follows;

P = IV

P = (V/r)V

P = V²/r

where;

P = (20²)/(1)

P = 400 W

Thus, the power dissipate due to internal resistor​ is 400 W.

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Answer:

1125 J

Explanation:

W=F x s

= 75 x 15

=1125

Answer:

Because it is the standard operational range for measuring the body temperature of a living individual.

Explanation:

When making a measuring equipment like a thermometer, you attempt to keep the reading range (Span) as small as possible so that the reading is as accurate as feasible. Because sensors are often rated in percent of span (in this example, span = 45 C–32 C = 13 degrees Celsius), One percent of 13 equals 0.13 degrees Celsius, thus if your sensor has a usual accuracy of 1%, your temperature reading is accurate to roughly 0.1 degrees Celsius.

Your precision would be 0.2 degrees Celsius if you doubled the span. The reading accuracy is now becoming unsatisfactory. Readability is another advantage of analog and mercury clinical thermometers. The markings for 0.1 deg C would be ten times closer together if a mercury thermometer had ten times the range (span). There is a limit to the device's readability.

Answer:

An object is in motion when its distance from another object is changing. A reference point is a place or object used for comparison to determine if something is in motion. An object is in motion if it changes position relative to a reference point.

option C is your CORRECT answer

Answer:

8 m/s

Explanation:

(16-0)/2 = 8 m/s

Answer:

when you lag in culture

Explanation:

it makes sense

Answer:

Well it could possibly be because of where you live, or if there is a strong power source or WiFi thing.

Explanation:

I’m sorry if my answers not the best I’m just doing it of my own experience from bad WiFi.

The ray that is part of the reflected ray must be ray 2 from the description in the question.

What is reflection?

the term reflection has to do with the bouncing back of a wave. When waves hit a surface, they can bounce back in the opposite direction. The reflection of light leads to so many phenomena such as shadow.

In this case, the ray that is part of the reflected ray must be ray 2 from the description in the question.

So RAY 2

Answer:

The ray that is part of the reflected ray must be ray 2 from the description in the question.

Explanation:

Internal energy is directly proportional to temperature

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[tex] \large \sf \underline{Answer:}[/tex]

[tex] \qquad \qquad \huge \bold{Option \: D}[/tex]

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[tex] \large \sf \underline{Explanation:}[/tex]

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