What are the different ways that the simulation shows you that the equation is balanced, visually? For each balanced reaction, indicate the total number of molecules (the big coefficients) in the table. Reaction Total Number of Molecules Reactant Side (left) Product Side (right) Make Ammonia Separate Water Combust Methane Is the number of total molecules on the left side of a balanced equation always equal to the number of total molecules on the right side of the equation? Explain your answer. For each balanced reaction, indicate the total number of atoms (the individual atoms) in the table. Hint: This may requiring multiplying subscript numbers by coefficients for some atoms. Example: 2NH3–There are 2 N atoms, and 6 H atoms (2 x 3). Reaction Total Number of Atoms Reactant Side (left) Product Side (right) Make Ammonia Separate Water Combust Methane Is the number of total atoms on the left side of a balanced equation always equal to the number of total atoms on the right side of the equation? What strategies did you use when you played the balancing chemical equations game? Which atoms were the easiest to start examining to try to balance the equations? Did it require trial and error? In the simulation, were you able to use non-integer numbers (like ½ or 0.43) for the coefficients in a balanced equation?

The volume of the rock, given the data is 14 mL (Option A)

From the question given above, the following data were obtained:

The volume of the rock can be obtained by calculating the displacement of the water when the rock was added. this can be obtained as follow:

Displacement of water = (Volume of water + rock) - (volume of water)

Displacement of water = 34 - 20

Displacement of water = 14 mL

Thus, the volume of the rock is 14 mL

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Complete question:

See attached photo

The background count from a detector was measured to be 845 over a 30-min period. A source to be measured increases the total counting rate to about 80 counts/min. Estimate the time the source should be counted to determine the counting rate due to the source alone to within a fractional standard deviation of 3% is :133.75 minutes

To determine the counting rate due to the source alone to within a fractional standard deviation of 3%, the source should be counted for 133.75 minutes.

This can be calculated using the equation: time = (3%*background count)/(counting rate - background count) = (3*845)/(80-845) = 133.75.

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The source should be counted for approximately 8.07 minutes to determine the counting rate due to the source alone to within a fractional standard deviation of 3%.

To estimate the time the source should be counted to determine the counting rate due to the source alone to within a fractional standard deviation of 3%, we can use the following formula: t = (N/B)^2 where t is the time in minutes, N is the total number of counts, and B is the background count rate.

Given that the background count from a detector was measured to be 845 over a 30-min period, the background count rate, B, is 845/30 = 28.17 counts/min.

The source increases the total counting rate to about 80 counts/min, so the total number of counts, N, is 80 counts/min.

Plugging these values into the formula, we get:

t = (80/28.17)^2

t = 8.07 minutes

Therefore, the source should be counted for approximately 8.07 minutes to determine the counting rate due to the source alone to within a fractional standard deviation of 3%.

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part a.  the wavelength of this wave  is 26 cm

part b. The amplitude (A) of a wave is 9 cm

The wavelength (λ) of a wave is described as the distance between two consecutive points on the wave that are in phase.

In this scenario, the distance between two corresponding points on the wave will be equal to the horizontal distance from crest to trough, which is 26 cm.

Hence, the wavelength of the wave is: λ = 26 cm

The amplitude (A) of a wave is described as the maximum displacement of a particle from its rest position as the wave passes through it.

In this scenario, the vertical distance from crest to trough is 18 cm, which is equal to twice the amplitude.

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Answer:

F equals 3 N and the object remains stationary. (second option in the list)

Explanation:

For sure to cancel acting forces, F must be 3N pointing up. But with regards to the object stationary or not, the question is tricky. We could have a ZERO net force applied, and the object moving at constant speed, which could still verify Newton's Laws. But considering the first answer option that refers to vertical motion upward where the object could be gaining potential energy, the most accurate response is that the force F has to be 3 N pointing up to make the object in equilibrium, and no motion in the vertical axis.

Answer: F equals 3 N and the object remains stationary.

Explanation:

Answer:

The correct option is C

Explanation:

From the question we are told that

   The wavelength is  \(\lambda = 575 *10^{-9} \ m\)

    The  angle is  \(\theta = 6.5^o\)

    The order of maxima  is  n =  3

Generally for  constructive interference

       \(dsin \theta = n * \lambda\)

=>   \(d = \frac{n * \lambda }{ sin \theta }\)

=>   \(d = \frac{3 * 575 *10^{-9} }{ sin 6.5 }\)

=>   \(d = 15.24 *10^{-6} \ m\)

=>  \(d = 15 \mu m\)

The spontaneous drying of leaves occurs due to the loss of moisture through evaporation, primarily facilitated by transpiration and environmental factors such as temperature, humidity, and airflow. Aging and senescence also contribute to the process.

The spontaneous process of drying leaves, also known as desiccation, is a natural occurrence that takes place as a result of various factors. Primarily, it involves the loss of moisture from the leaf tissues through evaporation. Leaves have specialized structures called stomata, small openings on their surfaces, which facilitate the exchange of gases, including water vapor.

When environmental conditions such as high temperature, low humidity, and increased airflow prevail, water molecules escape through the stomata into the surrounding air. This process, called transpiration, plays a significant role in leaf drying. Additionally, sunlight accelerates the rate of evaporation by providing energy to convert water into vapor.

As moisture content decreases, the cell walls of the leaf tissues contract, causing the leaf to become dehydrated and eventually dry. The process is also influenced by the plant's natural aging and senescence, where the leaf undergoes programmed cell death.

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The work done on the box from y=0 to 6.0m is 120 J.

To calculate the work done on the box from y=0 to 6.0m, we need to find the area under the force vs. position graph over that interval.

First, we can find the work done from 0 m to 2 m. Since the force is constant at 40 N over this interval, the work done is simply:

W = F * d = 40 N * 2 m = 80 J

From 2 m to 6 m, the force is constant at -20 N, so the work done is:

W = F * d = (-20) N * 4 m = -80 J

Note that the negative sign indicates that the work is done by the box on the force (since the force is in the opposite direction of the displacement).

Therefore, the total work done on the box from y=0 to 6.0m is:

W_total = 80 J - 80 J = 0 J

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To find the position and velocity of a particle at a specific time, we can use the equations of motion.

Given:

Initial velocity (u) = 20.4 m/s (east)

Acceleration (a) = -4.40 m/s² (west)

Time (t) = 1.98 s

To find the position (displacement) of the particle at time t, we can use the equation:

s = ut + (1/2)at²

s = (20.4 m/s)(1.98 s) + (1/2)(-4.40 m/s²)(1.98 s)²

s = 40.392 m + (1/2)(-4.40 m/s²)(3.9204 s²)

s = 40.392 m - 8.6914 m

s ≈ 31.7006 m

To find the velocity of the particle at time t, we can use the equation:

v = u + at

v = (20.4 m/s) + (-4.40 m/s²)(1.98 s)

v = 20.4 m/s - 8.712 m/s

v ≈ 11.688 m/s

Therefore, the velocity of the particle at t = 1.98 s is approximately 11.688 m/s to the east.

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Answer:

"Racing cyclists crouch down low on their bikes to reduce the air resistance on them. This helps them to cycle faster. They also wear streamlined helmets. These have special, smooth shapes that allow the air to flow over the cyclist more easily." Try searching google

Explanation:

From the histogram given, there were at approximately 7 downloads between 3pm and 4pm . This can be derived by counting the rows in that time period.

A histogram is a graph that depicts the frequency distribution of a few data points from a single variable.

Histograms frequently divide data into "bins" or "range groups" and count the number of data points that belong to each of those bins.

Histograms are frequently used to depict the key properties of data distribution in a handy format. It is especially beneficial when working with huge data sets (more than 100 observations). It can aid in the detection of uncommon observations (outliers) or gaps in the data.2

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Answer:

The voltage drop across the wire is 2 V

Explanation:

Given;

length of wire, L = 10 m

current density, I/A, μ = 4 x 10⁶ (A/m²)

wire conductivity, σ = 2 x 10⁷ (S/m)

The resistivity of wire is given by;

\(\rho = \frac{RA}{L} \\\\But \ R = V/I\\\\\rho = \frac{VA}{IL}\)

Conductivity, σ = ¹/ρ

\(\sigma = \frac{IL}{VA}\\ \\V = \frac{IL}{ A \sigma}\\\\V = (\frac{I}{A})\frac{L}{\sigma}\\ \\V = (\mu)\frac{L}{\sigma}\\\\V = (4*10^{6} )*\frac{10}{2*10^{7} } \\\\V = 2 \ V\)

Therefore, the voltage drop across the wire is 2 V

Answer:

PE = 1/2 K X^2

K = 50 N/m

X = .3 m

PE = 1/2 * 50 * .3^2 = 2.25 Joules

(a) The average acceleration of this sprinter is 3.31 m/s².

(b) The time taken for the sprinter to reach the speed is 3.5 s.

The average acceleration of this sprinter is calculated as follows;

v² = u² + 2as

where;

v² = 0 + 2as

a = v² / 2s

a = ( 11.5² ) / ( 2 x 20 )

a = 3.31 m/s²

The time of motion of the sprinter is calculated as follows;

v = u + at

v = 0 + at

t = v / a

t = ( 11.5 ) / ( 3.31 )

t = 3.5 s

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Answer:

43.88 meters per second

Explanation:

The computation of the speed is shown below:

As we know that

\(Speed = \frac{Distance}{time}\)

where,

Distance is 395,000 meters

Time is 9,000 seconds

Now placing these values to the formula

So, the speed is

\(= \frac{395,000}{9,000}\)

= 43.88 meters per second

As speed shows the relation between the distance and time and the same is to be considered i.e by applying the formula

Answer:

electromagnetic waves only

Explanation:

I just took the test, Hope it helps!

Answer:

A: Electromagnetic waves only

Explanation:

Magnetism is a force that results from the movement of charged particles, such as electrons, within a magnetic field.

What is Magnetic Field?

A magnetic field is a region in space where a magnetic force is experienced by a magnetic material or a moving electric charge. It is produced by moving electric charges or magnetic materials, such as magnets. The magnetic field is a vector field, which means that it has both magnitude and direction. The direction of the magnetic field is conventionally represented by lines of magnetic flux that form closed loops around a magnet or a moving electric charge. The strength and direction of the magnetic field at any point in space can be determined by measuring the force exerted on a test charge or a magnet placed at that point. Magnetic fields are used in a wide range of applications, including electric motors, generators, magnetic resonance imaging (MRI) machines, and particle accelerators.

Magnetism is a fundamental force of nature that is responsible for the attraction or repulsion between magnetic objects. It is caused by the motion of charged particles, such as electrons, within atoms. Magnetism is associated with magnetic fields, which are invisible areas around a magnet where magnetic forces can be detected.

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Answer:

the percentage of power output that keeps the man moving on the treadmill is approximately 2093%.

To calculate the percentage of power output that keeps the man moving on the treadmill, we need to determine the total amount of energy required to keep him running on the treadmill and compare it to his power output.

First, let's calculate the gravitational potential energy lost by the man while running on the treadmill:

ΔPE = m * g * h

Where m is the mass of the man (85.0 kg), g is the acceleration due to gravity (9.8 m/s^2), and h is the vertical height he ascends (determined by the incline angle of the treadmill):

h = d * tan(θ)

Where d is the horizontal distance traveled and θ is the incline angle (2.40°).

The horizontal distance traveled can be calculated based on the time spent running on the treadmill:

d = v * t

Where v is the velocity of the man (2.90 m/s) and t is the time spent running (35.0 min, converted to seconds).

Substituting the expression for d into the expression for h:

h = (v * t) * tan(θ)

Substituting the values for m, g, v, t, and θ:

h = (2.90 m/s * 35.0 min * 60 s/min) * tan(2.40°)

h = (1029 m) * tan(2.40°)

h = (1029 m) * 0.0424

h = 43.98 m

Substituting the values for m, g, and h into the expression for ΔPE:

ΔPE = 85.0 kg * 9.8 m/s^2 * 43.98 m

ΔPE = 35,734 J

The man also does work against air resistance and friction, but for simplicity, we will assume those are negligible. The total energy required to keep him running on the treadmill is thus equal to the change in gravitational potential energy, or 35,734 J.

Next, let's calculate the man's power output:

Power = Work / Time

Where Work is the amount of energy expended and Time is the time spent running.

Substituting the values for Work and Time:

Power = 35,734 J / (35.0 min * 60 s/min)

Power = 35,734 J / 2100 s

Power = 16.95 W

Finally, we can calculate the percentage of power output that keeps the man moving on the treadmill:

Percentage Moving = (Power Required / Power Output) * 100%

Substituting the values for Power Required and Power Output:

Percentage Moving = (35,734 J / 16.95 W) * 100%

Percentage Moving = 2092.71%

So the percentage of power output that keeps the man moving on the treadmill is approximately 2093%. This is because the man's power output of 300 W is not sufficient to sustain his running on the treadmill and he must rely on stored energy in his body to make up the difference.

Explanation:

Molecule is a group of atom held held together by a covalent bond.

Hence, option (c); molecule is the correct choice.

Answer:

\(\Huge \boxed{\mathrm{2298.57 \ seconds}}\)

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

Explanation:

\(\displaystyle \sf Speed = \frac{Distance \ covered }{Time \ taken}\)

\(\displaystyle \sf s = \frac{d }{t}\)

The speed is 0.7 m/s.

The distance covered is 1609 m.

\(\displaystyle \sf 0.7 = \frac{1609 }{t}\)

Multiplying both sides by t.

Then dividing both sides by 0.7.

\(\displaystyle \sf t = \frac{1609 }{0.7}\)

\(\sf t= 2298.57\)

It would take 2298.57 seconds.

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

Answer:

\(\huge\boxed{\sf t = 2298.57\ secs}\)

Explanation:

Given:

Speed = v = 0.7 m/s

Distance = S = 1 mile = 1609 metre

Required:

Time = t = ?

Formula :

v = S/t

Solution:

v = S/t

t = S/v

t = 1609 / 0.7

t = 2298.57 secs

SeaWorld is a chain of theme parks and oceanariums that showcase marine life through educational exhibits, live shows, and thrilling rides. While it has faced criticism for its treatment of animals, SeaWorld has made changes to prioritize conservation and phased out its orca breeding program.

SeaWorld is a chain of theme parks and oceanariums that primarily focuses on marine life and entertainment. The company operates various parks across the United States, including SeaWorld parks in Orlando, San Diego, and San Antonio, as well as Busch Gardens parks in Tampa and Williamsburg. SeaWorld offers a combination of educational exhibits, live shows, and thrilling rides, with a special emphasis on marine animals such as dolphins, whales, sea lions, penguins, and sharks.

SeaWorld parks provide visitors with opportunities to observe and interact with marine creatures up close, while also offering educational programs that aim to raise awareness about marine conservation and preservation. The parks feature captivating shows featuring trained animals, where they perform impressive behaviors and stunts, showcasing their intelligence and natural abilities.

Over the years, SeaWorld has faced criticism from animal rights activists and environmentalists, who argue that the captivity and use of marine animals for entertainment purposes is unethical and harmful to the animals' well-being. These concerns have led to significant changes in the company's practices, including the phasing out of its orca breeding program and the introduction of more educational and conservation-focused initiatives.

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Answer:

2 Pascal (Pa)

Explanation:

Pressure is defined as the force acting per unit area. Mathematically, it is expressed as:

Pressure (P) = Force (F) / Area (A)

Given:

Force exerted by the air inside the balloon (F) = 1 N

Area of the balloon (A) = 0.5 m^2

Plugging in the given values into the formula for pressure, we get:

P = F / A

P = 1 N / 0.5 m^2

Using basic arithmetic, we can calculate the pressure inside the balloon:

P = 2 N/m^2

So, the pressure inside the balloon is 2 N/m^2, which is also commonly referred to as 2 Pascal (Pa) since 1 Pascal is equal to 1 N/m^2.

Memoir is a type of narrative nonfiction: Monique went through many trials and tribulations and decided to write a book about this particular period in her life.

Because it combines elements of creative writing with the relation of facts required to produce a work of nonfiction, narrative nonfiction is a type of writing that is occasionally referred to as creative nonfiction. This genre comprises of writing that is factually accurate yet written with a creative flair that contributes to improving the work's flow and appeal. The genre of narrative nonfiction can include journalism and some genres of biography, essay, memoir, and personal essay. When compared to plain nonfiction, this genre is very new, and as the genre has developed, so too has the scrutiny that is applied to this kind of writing.

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Marcel should place Gilles at about 0.828 m to the right of the pivot in order to balance the seesaw.

For the seesaw to be balanced, the clockwise moment caused by Gilles sitting on the right side of the pivot must be equal to the counterclockwise moment caused by Jacques sitting on the left side of the pivot. The moment (M) is given by the weight of the child multiplied by the distance from the pivot:

M = w × L1 = W × L

where w is the weight of Gilles.

Rearranging this equation, we get:

L1 = (W × L) / w

Substituting the given values, we get:

L1 = (72.0 N × 0.80 m) / w

We don't know the weight of Gilles, so we cannot solve for L1. However, we can set up an equation to find the weight w needed to balance the seesaw:

W × L = w × L1

Substituting the given values, we get:

72.0 N × 0.80 m = w × L1

Solving for w, we get:

w = (72.0 N × 0.80 m) / L1

Now we can substitute this expression for w into the earlier equation for L1, giving:

L1 = (W × L) / [(72.0 N × 0.80 m) / L1]

Simplifying, we get:

L1^2 = (W × L × L1) / (72.0 N × 0.80 m)

L1^2 = (W × L) / (72.0 N × 0.80 m)

Substituting the given values and solving, we get:

L1 = sqrt[(72.0 N × 0.80 m) / (76.8 N)]

L1 ≈ 0.828 m

Therefore, Marcel should place Gilles at a distance of approximately 0.828 m to the right of the pivot to balance the seesaw.

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Answer:

Explanation:

1. Place a cup of hot tea on a flat surface.

2. Place a thermometer in the tea and record the temperature.

3. Place a fan in front of the cup of tea and turn it on.

4. Place the thermometer in the tea again and record the temperature.

5. Compare the two temperatures and observe the difference.

6. The difference in temperature is an indication of the thermal energy that has been dissipated from the cup of hot tea.

Explanation:

Add all of the velocities together....then the rock will be moving in the OPPOSITE direction according to conservation of momentum

(15 + -12 + 1.2) m/s i = -1.8 m/s i

(5 + 8 + -18 ) m/s j = -5 m/s j      These are the resultant force components  on 210 kg of deer meat

-1.8  (210) i   -  5 (210) j    = 200  x  i    +   200 y j  m/s

results in  rock velocities:     1.89 i  m/s      + 5.25  j m/s  

Please tell me if this is incorrect and I will re-evaluate ......

a.

The cars acceleration is given as

V = u +at

30 = 20 + a * 10

30- 20 = 10*a

acceleration = 1 m/s²

b.  The velocity time graph is shown below:

Distance covered (s)= Area under the curve=

20 x 10 + [ (1/2) x 10 x 10 ]

distance = 250 m

C. checking answer

s = ut + (1/2) x at²

s = 20 x 10  + [ (1/2) x 10 x 10 ]

s = 250 meters.

What is acceleration?

Acceleration is described as the rate of change of the velocity of an object with respect to time.

The Velocity-time graph is a plot between Velocity and Time that shows the Motion of the object that moves in a Straight Line. It is given that the magnitude of Velocity at a given instant is equal to its Instantaneous Speed.

On a velocity-time graph a horizontal (flat) line indicates the object is travelling at a constant speed while a straight diagonal line indicates that the object's velocity is varying.

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The net force on the rocket at the given applied force is 52 N.

The given parameters:

The net force on the rocket is calculated by applying Newton's second law of motion as follows;

F(net) = F(up) - F(down)

F(net) = 150 - mg

F(net)  = 150 - (10 x 9.8)

F(net) = 150 - 98

F(net) = 52 N

Thus, the net force on the rocket at the given applied force is 52 N.

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Explanation:

solar energy is the answer