There’s 5.68 s until the end of a "Red Light, Green Light" game, when "Green Light" is called. You start atrest and accelerate at 4.1 m/s2and reach your maximum speed after 1.7 s. You run at your maximum speeduntil you reach the finish line.If the finish line is 32 m away, do you survive the first game? Show your work.

Answer:

because of where we are and our distance away from them, in reality they're giant balls of burning gas, like the sun. some stars are even bigger than the sun

Explanation:

Answer:

Gamma Rays .

Explanation:

Answer:

the answer is uv

Explanation:

The length of the pendulum (in m) is : 0.99m

Time period to reach from left most position to equilibrium position = 0.5s =t

Time period is defined as the time taken to complete one full oscillation

T = 0.5*4 = 2s

for sample pendulum

T = 2π\(\sqrt{\frac{l}{g} }\)

2 = 2π\(\sqrt{\frac{l}{9.81} }\)

l = 0.99m

The period of the pendulum does not depend on the mass of the sphere, only on the length of the chord. Two pendulums with different masses but the same length have the same period. Two pendulums of different lengths have different periods. A pendulum with a long string has a long period

A simple pendulum consists of a sphere (mass point) m suspended from a (massless) cord of length L and fixed at a pivot point P. When shifted to the initial angle and released, the pendulum swings back and forth in a periodic motion. Applying Newton's second law to a rotating system gives the equation of motion for a pendulum.

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Answer:

Temperature T2 = 237.5 K

Explanation:

Given:

Volume = 35 ml

T1 = 285 k

P1 = 150 pa

P2 = 125 pa

Find:

Temperature T2

Computation:

P1V/T1 = P2V/T2

150(35) / 285 = 125(35) / T2

Temperature T2 = 237.5 K

Heya!!

For calculate wavelength, lets applicate formula:

                                                      \(\boxed{\lambda = V/f}\)

                                                   Δ   Being   Δ

                                           f = Frequency = 1100 Hz

                                           v = Velocity = 5800 m/s

                                             \(\lambda\) = Wavelenght = ?

⇒ Let's replace according the formula:

\(\boxed{\lambda = 5800\ m/s / 1100\ Hz }\)

⇒ Resolving

\(\boxed{\lambda = 5,27\ m}\)

Result:

The wavelength is 5,27 meters.

Good Luck!!

Answer:

Explanation:

OWO

Then ok bro

COPPER

Because, copper

is just one of the more popular materials that is used for conductors

The energy consumption per hour of the heater is 9 kJ/hour and the energy consumption per hour of the electric motor is 3 kJ/hour.

Let's denote the energy consumption per hour of the heater as "h" and the energy consumption per hour of the electric motor as "m".

From the first piece of information, we can set up the equation:

2h + 4m = 25 (equation 1)

Similarly, from the second piece of information, we can set up another equation:

3h + 2m = 18 (equation 2)

We now have two equations with two unknowns, which we can solve using algebraic methods. Multiplying equation 2 by 2 and subtracting it from equation 1 multiplied by 3, we get:

(3h + 6m) - 2(3h + 2m) = 25(3) - 18(2)

Simplifying this expression, we get:

h = 9

Substituting this value of h into equation 2, we get:

3(9) + 2m = 18

Simplifying this expression, we get:

m = 3

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Answer:

The star's luminosity rises above its previous level. Because it is so cool, the surface will be red, and it will be much farther away from the center than it was during the earlier stages of star evolution. Despite its lower surface temperature, the red giant has a large surface area, which makes it very luminous.

The index of refraction in the cyclohexane is approximately 1.44 when a beam of light passes from air into a transparent petroleum product, cyclohexane, at an incident angle of 48 degrees.

To find the index of refraction in the cyclohexane, we can use Snell's Law, which relates the incident angle, the angle of refraction, and the indices of refraction of the two mediums involved.

Snell's Law states that: n1 x sinθ1 = n2 x sinθ2

where n1 and n2 are the indices of refraction of the two mediums, and θ1 and θ2 are the incident and refracted angles, respectively.

In this case, the incident angle is 48 degrees, and the angle of refraction is 31 degrees. We know that the first medium is air, and the second medium is cyclohexane. The index of refraction of air for beam of light is very close to 1 (for simplicity, we can assume it is exactly 1), so we can write the equation as:

1 x sin(48) = n2 x sin(31)

Solving for n2, we get:

n2 = sin(48) / sin(31)

n2 ≈ 1.44

Therefore, the index of refraction in the cyclohexane is approximately 1.44.

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Answer: Final velocity is  \(3.8 m/s\)

Explanation:

We are given mass and velocity, or mass in motion, known in physics as "momentum".

The formula for momentum is \(p=mv\) (mass*velocity)

First, calculate the momentum of the person running:

\(p=60kg*4m/s\)

\(p=240(kg*m/s)\)

When the person jumps on the skateboard, the mass changes and now we're solving for the velocity. Use the same formula above to solve.

\(240=(60+4)*v\) can be rewritten as \(v=\frac{240kg*m/s}{(60+4)kg}\) or \(v=\frac{p}{m}\)

Solve and the kg cancels out and you're left with a final velocity of \(3.75 m/s\) or \(3.8m/s\) rounded to nearest tenth.

Answer:

OA. potential; kinetic

Explanation:

Answer:

5 is a solid

6. is A.

7 is A and C.

8 is I think C.

9 is evaporation

Answer:

only animals are composed of cells is incorrect, the rest are part of the cell theory

Answer:

liver (but avoid this during pregnancy)

red meat.

beans, such as red kidney beans, edamame beans and chickpeas.

nuts.

dried fruit – such as dried apricots.

fortified breakfast cereals.

soy bean flour.

Explanation:

Newton's Laws of Motion are a set of three fundamental principles that describe the way objects move. They were first described by Sir Isaac Newton in his book Philosophic Naturalis Principia Mathematica, which was published in 1687.

The laws are as follows:

1. Newton's First Law of Motion: An object will remain at rest or in uniform motion in a straight line unless acted upon by an external force. This means that if an object is at rest, it will remain at rest, and if it is moving, it will continue to move at a constant velocity, unless acted upon by a force.

2. Newton's Second Law of Motion: The acceleration of an object is directly proportional to the net force acting on it, and inversely proportional to its mass. This means that the greater the force applied to an object, the greater its acceleration will be, and the more massive an object is, the less its acceleration will be.

3. Newton's Third Law of Motion: For every action, there is an equal and opposite reaction. This means that if one object exerts a force on another object, the second object will exert an equal and opposite force on the first object.

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After 20 rounds of amplification through the polymerase chain reaction (PCR), the number of copies of the amplified region should theoretically be \(2^{20\), which is 1,048,576.

This is because PCR is an exponential process where each round of amplification doubles the number of copies of the target DNA region. Therefore, the number of copies after 1 round of amplification is 2, after 2 rounds it is 4, after 3 rounds it is 8, and so on.

To calculate the number of copies after 20 rounds of amplification, we use the formula 2^n, where n is the number of amplification cycles. In this case, n = 20, so \(2^{20\) = 1,048,576 copies.

It is important to note that this is a theoretical maximum and assumes 100% efficiency in each round of amplification. In reality, there may be some loss of DNA during the PCR process, and other factors such as contamination or suboptimal reaction conditions can also affect the final yield. Therefore, the actual number of copies obtained may be slightly lower than the theoretical maximum.

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There are two and half  wavelengths, separate point A and point B. The wavelength is also defined as the distance between two locations in a wave that have the same oscillation phase.

The distance between two successive troughs or crests is known as the wavelength.  The peak of the wave is the highest point, while the trough is the lowest.

The wavelength is calculated as;

\(\lambda= 1+1+\frac{1}{2} \\\\ \lambda =2.5\)

There are 2.5 wavelengths, separate point A and point B.

Hence, option D is correct.

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Simply how they share electrons distinguishes the various bond kinds. Polar bonds share unevenly, ionic bonds don't share at all, and covalent bonds share equally.

Simple electron sharing patterns distinguish the various bond types.Covalent bonds are created when electrons are shared. Despite the fact that both thermosetting plastics and thermoplastics are polymers, how they react to heat is different. Thermoplastics can melt in the presence of heat after curing, whereas thermoset plastics retain their  and remain solid in the presence of heat. Both their weight and chemical stability are low. excellent thermal insulation and low thermal conductivity. Glass fibers and mineral fillers are typically heavily incorporated into thermoset resins. Polymers called elastomers can be stretched far beyond their original length and can be quickly and compressed to almost their original dimensions.

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Therefore, the thermal conductivity of argon (CV,m = 12.5 J·K−1·mol−1, σ = 0.36 nm2) at 298 K is 137.7 mW/(m·K).

The thermal conductivity (λ) of a gas can be estimated by the kinetic theory of gases using the equation:λ = 1/3 × Cv, m × vλ = thermal conductivity Cv,m = heat capacity at constant volume v = average speed of the molecules

The equation to calculate the average speed of the molecules: v = √((8 × R × T) / (π × M))

Where, R is the gas constant, T is the temperature in Kelvin, and M is the molar mass of the gas. Here, we have to calculate the thermal conductivity of argon (CV,m = 12.5 J·K−1·mol−1, σ = 0.36 nm2) at 298 K.

So, let's plug in the values. v = √((8 × R × T) / (π × M))√((8 × 8.314 × 298) / (π × 0.04)) = 330.9 m/sλ = 1/3 × Cv,m × vλ = 1/3 × 12.5 × 330.9λ = 137.7 mW/(m·K)

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The flow of heat will stop when thermal equilibrium is reached between the meta cup and the water tank.

The flow of heat will stop when the temperature of the water inside the metal cup and the water in the tank reaches thermal equilibrium, meaning they are at the same temperature.

To calculate the time it takes for the two to reach thermal equilibrium, we can use Newton's Law of Cooling:

Q = hAΔT

Assuming the heat transfer coefficient is constant, we can write:

Q1 = Q2

hA1ΔT1 = hA2ΔT2

We can simplify this equation by assuming that the surface area of the metal cup is much smaller than the surface area of the tank of water, so A1 << A2.

This gives us:

hA1ΔT1 = 0

since ΔT2 = 0 when the two are in thermal equilibrium.

Solving for ΔT1:

ΔT1 = 0 / (hA1)

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The effective value of g, the acceleration of gravity, at 6700m , above the Earth's surface is 9.79 m/s².

Given:

G=gravitational constant = 6.67x10⁻¹¹ m³/(kg.s²)

M=the Earth's mass = 5.97x10²⁴ kg

r=  Earth's radius = 6371 km  +6700m

r=6371000m+6700m

r=6377700m

For gravitation we use following:

F=GmM/r^2

which on further derivation gives

ma=GmM/r^2 , which results in

a=GM/r^2

Now putting the values in a=GM/r^2

a=6.67x10⁻¹¹ m³/(kg.s²)*5.97x10²⁴ kg/6377700^2

a=9.79 m/s²

Hence, The effective value of g, the acceleration of gravity, at 6700m , above the Earth's surface is 9.79 m/s².

then at 7000km i.e. 7000000m

All will be same except r= 6371000m+7000000m

r=13371000m and

r^2 =1.78*10^14.

putting values

a=6.67x10⁻¹¹ m³/(kg.s²)*5.97x10²⁴ kg/1.78*10^14.

a=2.23*10^28 m/s.

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Answer:

0.273 liters are needed to accomplish this task without boiling.

Explanation:

The minimum boiling point of kerosene is \(150\,^{\circ}C\). According to this question, we need to determine the minimum volume of liquid such that heat received is entirely sensible, that is, with no phase change.

If we consider a steady state process and that energy interactions with surrounding are negligible, then we get the following formula by the Principle of Energy Conservation:

\(\rho_{k}\cdot V_{k}\cdot c_{k}\cdot (T-T_{k,o}) = m_{t}\cdot c_{t}\cdot (T_{t,o}-T)\) (1)

Where:

\(\rho_{k}\) - Density of kerosene, measured in kilograms per cubic meter.

\(V_{k}\) - Volume of kerosene, measured in cubic meters.

\(c_{k}\), \(c_{t}\) - Specific heats of the kerosene and tin, measured in joule per kilogram-Celsius.

\(T_{k,o}\), \(T_{t,o}\) - Initial temperatures of kerosene and tin, measured in degrees Celsius.

\(T\) - Final temperatures of the kerosene-tin system, measured in degrees Celsius.

Please notice that the block of tin is cooled at the expense of the temperature of the kerosene until thermal equilibrium is reached.

From (1), we clear the volume of kerosene:

\(V_{k} = \frac{m_{t}\cdot c_{t}\cdot (T_{t,o}-T)}{\rho_{k}\cdot c_{k}\cdot (T-T_{k,o})}\)

If we know that \(m_{t} = 1.83\,kg\), \(c_{t} = 218\,\frac{J}{kg\cdot ^{\circ}C}\), \(T_{t,o} = 88\,^{\circ}C\), \(T_{k,o} = 24.0\,^{\circ}C\), \(T = 57\,^{\circ}C\), \(c_{k} = 2010\,\frac{J}{kg\cdot ^{\circ}C}\) and \(\rho_{k} = 820\,\frac{kg}{m^{3}}\), then the volume of the liquid needed to accomplish this task without boiling is:

\(V_{k} = \frac{(1.83\,kg)\cdot \left(218\,\frac{J}{kg\cdot ^{\circ}C} \right)\cdot (88\,^{\circ}C-57\,^{\circ}C)}{\left(820\,\frac{kg}{m^{3}} \right)\cdot \left(2010\,\frac{J}{kg\cdot ^{\circ}C} \right)\cdot (57\,^{\circ}C-24\,^{\circ}C)}\)

\(V_{k} = 2.273\times 10^{-4}\,m^{3}\)

\(V_{k} = 0.273\,L\)

0.273 liters are needed to accomplish this task without boiling.

The volume of the triangular shape is 10.35 km³.

In geometry, volume is the amount of space enclosed by a three-dimensional object. It is measured in cubic units, such as cubic meters or cubic centimeters. The volume of a regular object can be calculated using a formula, while the volume of an irregular object can be calculated by dividing it into smaller regular objects and adding up their volumes.

For example, the volume of a cube with a side length of 1 meter is 1 cubic meter. The volume of a sphere with a radius of 1 meter is 4/3π cubic meters. The volume of a cylinder with a radius of 1 meter and height of 2 meters is 2π cubic meters.

The formula gives the volume of a triangular shape:

V = 1/2 * b * h * t

where:

b is the base of the triangle

h is the height of the triangle

t is the thickness of the triangle

In this case, we have:

b = 7 km

h = 1.9 km

t = 3 km

So now, the volume of the triangular shape is:

V = 1/2 * 7 km * 1.9 km * 3 km = 10.35 km³

Therefore, the volume of the triangular shale is 10.35 km³.

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Answer:

The conversion efficiency of geothermal power developments is generally lower than that of conventional thermal power plants. ... The highest reported conversion efficiency is approximately 21% at the Darajat vapour-dominated system, with a worldwide efficiency average of around 12%.

Answer: Yes, on many slate-roofed homes as temperatures change, such as cooling at night or heating during the day, thermal expansion or contraction of the slates may cause movement that in turn causes snapping, popping, or cracking noises, even bangs and clanks or clicks from the roof.

Explanation:

Answer:

because of its mealting

Explanation:

hope it helps you