descride the period,position and function of a geostationary satellite​

Answer:

as A increases, B decreases, and as B increases, A increases. Hope this helps!

Explanation:

The impulse generated by the rocket is 15000 Ns

Solution:

Mass of the rocket = 465kg

Velocity of the rocket = 75m/s

Time taken = 30s

Impulse = \(I = F \Delta t\)

\(I = \int F(t)dt\)

Impulse so generated is equal to the area of triangle

I = \(\frac{1}{2} \times 30\times1000\)

I = 15000 Ns

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Answer:

Explanation:

Ms. Woodard has traveled a distance of 5 m.

Ms. Woodard's displacement is 1 m.

The amount of time is the independent variable, while the water phase change is the dependent variable.

The independent variable is any variable in the experiment that does not change along the experiment but whose values are associated with the modification in the dependent variable (such as in this case time to observe water phase change).

Therefore, with this data, we can see that the independent variable does not change along the experimental procedure and is known to be the cause of the change in the dependent variable.

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Answer:

\(\huge\boxed{\sf E = 42 \ J}\)

Explanation:

Force = F = 6 N

Distance = d = 7 m

Energy = E = ?

Here, Energy is gained in the form of work done. So, the formula will be:

E = Fd

Put the given data in the above formula.

E = (6)(7)

\(\rule[225]{225}{2}\)

The distance above the ground the rock  should be dropped such that it hits the ground at 2t after it is released from rest is 4h.

The height of fall of the rock is calculated by applying the following kinematic equation as shown below.

h = vt + ¹/₂gt²

where;

h = 0 + ¹/₂gt²

h = ¹/₂gt²

2h = gt²

g = 2h / t²

h₁ / t₁² = h₂ / t₂²

The distance above the ground the rock  should be dropped such that it hits the ground at 2t after it is released from rest is calculated as;

h₂ = ( h₁ / t₁² )(t₂²)

h₂ = ( h/t²)(2t)²

h₂ = ( h/t²)(4t²)

h₂ = 4h

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The answer is  0.48 kg m^2

Given,

m1 = 0.2 kg

m2 = 0.3 kg

L = 2 m

Let the centre of mass is at a distance d from 0.2 kg.

So, m1 x d = m2 x (L - d)

0.2 x d = 0.3 x (2 - d)

2 d = 6 - 3d

5 d = 6

d = 1.2 m

Moment of inertia about the centre of mass,

I = m1 x d^2 + m2 x (L - d)^2

I = 0.2 x 1.2 x 1.2 + 0.3 x 0.8 x 0.8

I = 0.288 + 0.192

I = 0.48 kg m^2

All bodies have a tendency to resist changes to their current states, according to Newton's second law. A body in motion resists change by not coming to a complete halt right away, just as a body at rest resists change when it is put into motion. Similar to this, a rigid body's rotational inertia refers to the amount of torque necessary to modify the angular velocity of the body.

The concept of a rigid body's rotational inertia is crucial since it clarifies how much torque is needed to accomplish a certain goal. The mass of a rigid body and its distribution with regard to the axis around which it rotates have an impact on its rotational inertia.

The distance of the centre of mass from the axis of rotation increases or decreases the rotational inertia of a rigid body.

m1 x d = m2 x (L - d)

I=13mL2 I = 1 3 m L 2 is the moment of inertia for a rod that spins about an axis perpendicular to the rod and passing through one end. The moment of inertia is I=112mL2 if the axis of rotation passes through the middle of the rod.

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Answer:

Explanation:

1) Since the bags hold three pineapples

2) we can also hold two pineapples in one bag.

Hope this helps! <3

The net force acting on it during free fall would also be 1 Newton.The given terms are "an apple at rest weights 1 N. The net force on the apple when it is in free fall is".

The weight of the apple at rest is 1 N.The force which acts on the apple when it is in free fall is called its weight which is given by the formula:

Weight=mg

where,m=mass of the apple

g=acceleration due to gravity

=9.8 m/s²

Therefore, the weight of the apple is:

Weight=mg

=1 N

The net force on the apple when it is in free fall is equal to the weight of the apple, which is 1 N.

The content you provided describes an apple that is initially at rest and weighs 1 Newton (symbolized as "1 N"). When the apple is in free fall, meaning it is falling under the influence of gravity without any other forces acting on it, the net force on the apple is its weight. In this case, the weight of the apple is equal to 1 Newton, so the net force acting on it during free fall would also be 1 Newton.

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The minimum height h of a slope for a rider in a cart with combined mass m to complete a loop of radius r is h=5r.

The minimum height of the slope can be calculated by using the principle of conservation of energy and centripetal force. At the top of the loop, the rider and the cart have maximum potential energy, and at the bottom of the loop, they have maximum kinetic energy.

The minimum height of the slope is the point where the rider just completes the loop without falling off the track. To achieve this, the potential energy at the top of the loop must be equal to the kinetic energy at the bottom of the loop.

Hence, the minimum height of the slope required to complete a loop of radius r is given by h=5r. This ensures that the rider has enough speed to complete the loop without falling off. Additionally, the mass of the rider and the cart should be taken into account, as this affects the amount of force required to maintain the circular motion.

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The correct answer is D) all of the above.

An acoustical engineer in designing a music hall is concerned with all of the following factors:

A) Echoes: Echoes refer to the reflections of sound waves that arrive at the listener's ear after bouncing off surfaces. Unwanted echoes can distort the sound and affect the clarity and intelligibility of the music. An acoustical engineer aims to control and minimize echoes in order to create a pleasing and balanced acoustic environment.

B) Reverberations: Reverberation is the persistence of sound in an enclosed space due to multiple reflections. It contributes to the perceived richness and envelopment of sound in a music hall. An acoustical engineer aims to optimize the reverberation time, balancing the decay rate of sound to create a desirable listening experience.

C) Reflection: Reflection refers to the bouncing back of sound waves when they encounter a surface. The way sound reflects off different surfaces in the music hall affects the sound quality, directionality, and spatial characteristics. An acoustical engineer considers the angles and materials of surfaces to control sound reflection and achieve the desired acoustic response.

Therefore, an acoustical engineer takes into account all of these factors (echoes, reverberations, and reflections) when designing a music hall, making the correct answer D) all of the above.

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Human pathogens are typically mesophiles, which means they thrive in temperatures ranging from 20-45°C, the temperature range of the human body.

However, some human pathogens are also thermophiles, which means they prefer temperatures between 45-80°C, such as those found in hot springs. Hyperthermophiles, which thrive in temperatures above 80°C, are less commonly associated with human pathogens. Psychrophiles, which thrive in cold temperatures, and hypermesophiles, which thrive in even higher temperatures than mesophiles, are not commonly associated with human pathogens.

Human pathogens are mesophiles. Mesophiles are microorganisms that thrive at moderate temperatures, typically between 20°C and 45°C (68°F to 113°F). Most human pathogens fall into this category because the human body's average temperature is 37°C (98.6°F), creating an optimal environment for these microorganisms to grow and reproduce. In contrast, psychrophiles prefer cold environments, thermophiles prefer high temperatures, and hyperthermophiles thrive at extremely high temperatures. Hypermesophiles is not a recognized term in microbiology.

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The required component form of vector v is v = (-5, 8.66).

To find vector v in component form, given that the initial point of vector v in v2 is the origin and the terminal point is in quadrant II, angle 5 6 with the positive x-axis, and |v| = 10, we need to use the following steps. Step-by-step solution: the initial point of vector v in v2 is the origin and the terminal point is in quadrant II, we can determine the values of the x and y coordinates of the terminal point of vector v in the standard position .

Let the angle between vector v and the positive x-axis be θ.Let the x-coordinate of vector v be x and the y-coordinate of vector v be y. We can relate x and y with |v| and θ as follows:

\(|v| = sqrt(x^2 + y^2)......(1)tan θ = y/x..........(2)\)

We know that the terminal point of vector v is in quadrant II, and thus, the x-coordinate is negative. So, we can say that

\(x = -sqrt(10^2 - y^2)......(3)\)

By substituting equation (3) in equation (2), we get;

\(tan θ = y / (-sqrt(10^2 - y^2))\)

Thus, we have;

\(y = -10sin(θ).....(4)x = -10cos(θ)......(5)\)

Therefore, the component form of vector v is:

v = (-10cos(θ), -10sin(θ))

On substituting the given value of θ, which is 5 6, we have;

v = (-10cos(5 6), -10sin(5 6)) Hence, the answer is v = (-10cos(5 6), -10sin(5 6)) = (-5, 8.66).

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To find the vector v in component form, we need to determine the values of its x-component (Ax) and y-component (Ay) using the given information. The vector v can be written as v = -5.315i + 8.578ĵ. The x-component (Ax) is negative and can be calculated as -10 * cos(56°) ≈ -5.315, while the y-component (Ay) is positive and can be calculated as 10 * sin(56°) ≈ 8.578.

To find the vector v in component form, we need to determine the values of its x-component (Ax) and y-component (Ay) using the given information.

Therefore, the vector v in component form is approximately v = -5.315i + 8.578ĵ.

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Answer:

It should be light sensor...but if not, maybe device? machine?.

Answer:  X-ray

Explanation:

Im dum

Answer:

first blank is chemical second blank is kinetic energy

Answer:

A 'kink' in the glass tube which breaks the mercury as it contracts, storing the highest temperature reading. The glass tube is shaped like a lens to magnify the thin mercury thread. Shaking the thermometer resets the mercury back into the bulb.

Kink in the Mercury thermometer helps to prevents the falling of mercury present in capillary  tube into bulb. It ensures that the user takes the correct reading of temperature. That's the reason a person before taking a new reading must give a sudden shake to the clinical thermometer so that the mercury level comes to normal .

The balanced formula is B.

Answer:

a cast is something that holds a item in place weather it be a iron sword or a broken arm. a cast is made by hollowing out the inside and placing your item in it.

Explanation:

In amplifiers, the coupling and bypass capacitors appear to be shorts to ac at the mid band frequencies.

At low frequencies the capacitive reactance, XC, of these capacitors affect the gain and phase shift of signals, so they must be taken into account.

\(\alpha =\frac{1}{2\pi f}\)

At lower f, the internal capacitances have a very high Xc like opens and have no effect on the transistor’s performance. However, as the frequency goes up (at high f), the internal  capacitive reactances go down and they have a significant effect on the transistor’s gain and also it introduces a phase shift; it has the inverse effect to the coupling capacitor.

Miller’s theorem states that C effectively appears as a capacitance from input to ground is as given below-

\(Cin= C(A+1)\)

\(Cout=\frac{CA +C}{\alpha }\)

This shows the effective input and output capacitance.

Critical frequency is given as -

\(\alpha = \lim_{n \to \infty} a_n\)

= 10 log(0.5)

=-3dB

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Answer:

d = 8 m

Explanation:

Given that,

Initial speed, u = 0

Final speed, v = 4 m/s

Time, t = 4 s

We need to find the distance traveled by a bike. Let it is equal to d. Using second equation of kinematics as follows :

\(d=ut+\dfrac{1}{2}at^2\\\\\text{a=acceleration of bike and u = 0}\\\\d=\dfrac{1}{2}\times \dfrac{v-u}{t}\times t^2\\\\d=\dfrac{(v-u)t}{2}\\\\d=\dfrac{(4-0)4}{2}\\\\d=8\ m\)

So, the car cover a distance of 8 m.

The bike will travel the distance of 8 m during the given time interval.

Given data:

The initial speed of bike is, u = 0.0 m/s.

The final speed of bike is, v = 4.0 m/s.

The time interval is, t = 4 s.

In given problem, we need to obtain the magnitude of acceleration first. Then we can use this value in the third kinematic equation of motion, to find the distance covered by bike.

Then by first kinematic equation of motion,

v = u + at

Solving as,

4.0 = 0 + a(4)

a = 1 m/s²

Now, we can use the third kinematic equation of motion to find the distance travelled as,

\(v^{2}=u^{2}+2as\)

Solving as,

\(4.0^{2}=0^{2}+2(1)s\\\\16 = 2s\\\\s = 8\;\rm m\)

Thus, we can conclude that the bike will travel the distance of 8 m during the given time interval.

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Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 3.5 × 0.5 = 1.75

We have the final answer as

Hope this helps you

Answer:I can't see the question

Explanation:so i dont konw

To safely use your electric grill in the backyard, you need to select the right extension cord. Take into account the power requirements of the grill, the distance between the outlet and grill

To use your electric grill in the backyard without incidents, you will need an extension cord that meets the requirements of your grill. Since the resistance of a conducting wire increases with its length, it's important to consider the length and gauge (thickness) of the extension cord.

Here are the steps to determine the appropriate extension cord:

1. Check the grill's power requirements: Look for the wattage or amperage rating on the grill or in the user manual. It will indicate how much power the grill consumes.

2. Determine the length needed: Measure the distance from your electric outlet to the grill's intended location in the backyard. This will help you choose an extension cord of the appropriate length.

3. Choose the gauge: The gauge of the wire determines its thickness and ability to carry electrical current. For longer distances, a thicker gauge is required to minimize resistance and prevent overheating. Thicker gauges have lower numbers, such as 12 or 10, while thinner gauges have higher numbers, such as 14 or 16.

4. Calculate the amperage: Use Ohm's law (V = IR) to calculate the amperage of the extension cord. Divide the wattage of the grill by the voltage of your power supply (usually 120V in residential settings) to get the amperage. For example, if the grill is rated at 1200W, the amperage would be 10A (1200W ÷ 120V = 10A).

5. Check the ampacity rating: Look for the ampacity rating of the extension cord, which indicates the maximum safe current it can handle. It should be equal to or higher than the amperage calculated in the previous step. Choose an extension cord with a higher ampacity to allow for some safety margin.

6. Ensure proper connections: Make sure the extension cord has grounded three-prong plugs on both ends, matching the outlets you'll be using.

By following these steps, you can choose an extension cord that is appropriate for your electric grill, ensuring safe and efficient operation without incidents.

In conclusion, to safely use your electric grill in the backyard, you need to select the right extension cord. Take into account the power requirements of the grill, the distance between the outlet and grill, and the gauge of the extension cord. Calculate the amperage and choose an extension cord with an ampacity rating equal to or higher than the calculated amperage. By considering these factors, you can ensure that the extension cord can handle the electrical load without significant resistance, reducing the risk of incidents and ensuring proper functioning of your electric grill.

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Answer:

hope it helps make brainlliest ty

The correct answer is 12.5%, of an iodine 1311 sample decays after 24 days.

The percentage of an iodine 1311 sample that decays after 24 days is 93.8%.

Given that 1311 is an isotope of iodine used for the treatment of hyperthyroidism, as it is readily absorbed into the cells of the thyroid gland. With a half-life of 8 days, it decays into 131 xe*, an excited xenon atom.

Half-life of iodine-1311 (t₁/₂) = 8 days

Amount of iodine-1311 after n half-lives (n) = t / t₁/₂ = 24 / 8 = 3'

From the above equation, it can be understood that 1311 iodine is divided into 8 parts at every 8 days (half-life). So the iodine remaining after 24 days is 1/2³ or 1/8th of its original amount.

Amount of 1311 iodine remaining after 24 days = (1/2)³ = 1/8th of its original amount

Thus, 7/8 or 87.5% of the sample remains undecayed.

The amount of iodine decayed = 1 - 7/8 = 1/8th

The percentage of iodine decayed = (1/8) * 100 = 12.5%

The percentage of an iodine 1311 sample that decays after 24 days is 12.5%.

Hence, the correct answer is 12.5%.

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