459 ft/sec --> mi/hr

Answer:

2. Mathew Maury

Explanation:

2. Mathew Maury

4. Cousteau and Gagnon

Explanation:

they made the first successful scuba in 1942

The expected ratio of free-hanging earlobes to attached earlobes in the offspring is 1:2.

The diagram depicts a Punnett square used to predict the earlobe shape of two parents' offspring. The capital A represents free-hanging earlobes, while the lowercase a represents attached earlobes.

The Punnett square is a square diagram used to predict genotypes of a specific cross or breeding experiment. It is named after Reginald C. Punnett, who invented it in 1905. Biologists use the diagram to calculate the likelihood of an offspring having a specific genotype.

In this case, the genotype rato based on the attached diagram is 1:2.

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Comets that come from the Oort cloud have orbits that decay over time, bringing them closer to the sun each year. Option A is correct.

Comets are frozen leftovers from the formation of the solar system composed of dust, rock, and ice.

They range from a few miles to tens of miles wide, but as they orbit closer to the Sun, they heat up and spew gases and dust into a glowing head that can be larger than a plane.

Comets that come from the Oort cloud have orbits that decay over time, bringing them closer to the sun each year.

Hence,option A is correct.

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Answer:

B) have random tilts and orbits, sharing little with each other

Explanation:

Hope this helps, have a great rest of your day/ restful night!

Answer:

The force, exerted by Big Ben on the Empire State Building is 2.66972 × 10⁻⁷ N

Explanation:

The question relates to the force of gravity experienced between two bodies

The given parameters are;

The mass of Big Ben, M₁ = 1 × 10⁸ kg

The mass of the Empire State Building, M₂ = 1 × 10⁹ kg

The distance between the two Big Ben and the Empire State Building, r = 5,000,000 meters

By Newton's Law of gravitation, we have;

\(F=G \times \dfrac{M_{1} \times M_{2}}{r^{2}}\)

Where;

F = The force exerted by Big Ben on the Empire State Building and vice versa

G = The universal gravitational constant = 6.67430 × 10⁻¹¹ N·m²/kg²

M₁, M₂, and r are the given parameters

By plugging in the values of the parameters and the constant into the equation for Newton's Law of gravitation, we have;

\(F=6.67430 \times 10^{-11} \times \dfrac{1 \times 10^8 \times 1 \times 10^9}{(5,000,000)^{2}} = 2.66972 \times 10^{-7}\)

The force, 'F', exerted by Big Ben on the Empire State Building is F = 2.66972 × 10⁻⁷ N.

Answer:

Explanation:

The answer is Temperature difference

Answer:

C

Explanation:

is the answer ,..........................

i. Cassiopeia would be the group of bodies arranged in the shape of M (D), while the bright heavenly body that struck the Earth would be the meteorite (B).

ii. The two main differences between D (group of heavenly bodies arranged in the shape of M) and the Milky Way are:

iii. It is not possible to compare the size of A (body with photosphere at its center) and M (group of some heavenly bodies arranged in the shape of M) as they are not the same kind of object. A is likely a star, while M is a group of stars.

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Earth has a definite orbit within the solar system whose the orbit is mainly a result of the mass of the Sun.

An orbit is defined as the regular, repeating path that one object in space takes around another while an object in an orbit is called a satellite which may be natural, such as the Earth or the Moon. According to the height of satellites from the earth, these orbit are classified as

Most of the weather and some communications satellites will tend to have a high Earth orbit which is farthest away from the surface. The main difference between orbit and orbitals is that the former is defined as a fixed path of electron revolutions, whereas the latter is defined as an uncertain region with a high probability of finding an electron.

Therefore, the Earth has a definite orbit within the solar system whose the orbit is mainly a result of the mass of the Sun.

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Answer:

Earth rotates eastward, in prograde motion. As viewed from the north pole star Polaris, Earth turns counterclockwise.

The time it takes Earth to rotate so the sun appears in the same position in the sky, known as a solar day, is 24 hours. However, the time it takes Earth to complete one full rotation on its axis with respect to distant stars is actually 23 hours 56 minutes 4.091 seconds, known as a sidereal day.

Earth's axis is an imaginary pole going right through the center of Earth from "top" to "bottom." Earth spins around this pole, making one complete turn each day. That is why we have day and night, and why every part of Earth's surface gets some of each. Earth has seasons because its axis doesn't stand up straight.

Earth and sun are part of the solar system, with the sun at its centre. An Earth day is 24 hours because the Earth spins on its axis once every 24 hours. At any one time half of the Earth's sphere is in sunlight (day) while the other half is in darkness (night).

The Earth's axis runs from the North Pole to the South Pole. It takes the Earth 24 hours, or one day, to make one complete rotation around this invisible line. As the Earth rotates, each area of its surface gets a turn to face and be warmed by the sun. This is important to all life on Earth

The maximum value of the magnetic field in the given wave is 5 nT.

Given;

maximum value of the electric field, E₀ = 1.5 V/m

The maximum value of the magnetic field in the given wave is calculated as;

B₀ = \(\frac{E_{0} }{c}\)

where;

c is the speed of light = 3 x 10⁸ m/s

B₀ = \(\frac{E_{0}}{c}\)

B₀ = \(\frac{1.5}{3 . 10^{8} }\) = 0.5 x 10⁻⁸ = 5 x 10⁻⁹

B₀ = 5 nT

Therefore, the maximum value of the magnetic field in the given wave is 5 nT.

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Answer:

c = 894.90 m/s

Explanation:

Given data:

Frequency of wave = 471 Hz

Wavelength of wave = 1.9 m

Speed of wave = ?

Solution:

Formula:

Speed of wave = frequency × wavelength

c = f×λ

c = 471 Hz × 1.9 m

  Hz = s⁻¹

c = 471s⁻¹ × 1.9 m

c = 894.90 m/s

The speed of wave is 894.90 m/s.

Answer:

B

Explanation:

Basta B isagot Mona Tama yan

Answer:

for the first time in the future of our games are based on your car advertising

Explanation:

for the first time in the fhgvhbgj tire and wheel drive automatic captions and subtitles for the first time in the future of our games of

Answer:

Explanation:

Answer:

Earth receives the perfect amount of heat and light that allow life to flourish

The capacitance of a capacitor is the ratio between the charge and potential difference applied across the conductor.

The capacitor is the device used to store electrons in the form of electrical energy. The charge on the capacitor is directly proportional to the applied voltage between two conductors.

Q = CV, where Q is the charge on the capacitor, C is the capacitance of the conductor and V is the applied voltage. The two capacitors can be connected in series and parallel combinations.

In parallel combinations, the capacitance C is given as

Q/V = C₁+C₂

In series combination, the capacitance C is given as,

V/Q = (1/C₁ + 1/C₂).

Thus, for a pair of capacitors, the capacitance is C=Q/V.

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Answer:

A

Explanation:

Answer: The cost of using the microwave oven for 30 minutes every day for 9 days is $0.57

Explanation: The GRASS method is used to calculate the cost of using an appliance by multiplying the power rating of the appliance (in kW) by the hours of use, and then multiplying that by the rate per kWh.

Here's the calculation:

Power rating: 0.62 kW

Time of use: 30 minutes/day for 9 days = 30/60*9 = 13.5 hours

Cost per hour = 0.62 * 6.8 / 100 = 0.04236

Total cost = 0.04236 * 13.5 = $0.57

An acid-base indicator is a compound with a physical property that changes abruptly near the equivalence point.

An acid-base indicator is a chemical compound that is used to determine the endpoint of a chemical reaction. The endpoint of a chemical reaction is the point at which the reaction is complete or the point at which a chemical reaction is in equilibrium. The physical property of an indicator that changes abruptly near the endpoint is usually its color. In the case of an acid-base indicator, the color changes from one color to another as the pH of the solution changes.

This change in color occurs because the acidic or basic properties of the indicator change. The indicator can be used to determine the pH of a solution or to determine the concentration of an acid or base. The most commonly used acid-base indicator is litmus paper, which changes from blue to red in the presence of an acid. So therefore an acid-base indicator is a compound with a physical property that changes abruptly near the equivalence point.

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The potential energy of the ball just before the kick was taken is zero (0).

Potential energy is the energy possessed by an object due to its position above the ground.

The Potential energy of the ball is calculated as follows;

P.E = mgh

where;

P.E = 1.5 x 9.8 x 0

P.E = 0

Thus, the potential energy of the ball just before the kick was taken is zero (0).

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Answer:

A proton has a positive charge :)

A neutron has no charge because it is neutral :)

Have a great day!!

Please rate and mark brainliest!!

A proton is positively charged while a neutron has no charge at all.

Answer:

the one that is clicked in the photo I think is right

Inertia is the resistance of an object to a change in its state of motion. The more mass an object has, the more inertia it has. Correct answer: B. Dump out some of the soil.

Therefore, by dumping out some of the soil from the truck, the mass of the truck is decreased, which in turn decreases its inertia.

Therefore, the correct answer is option B.

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For an ideal gas in a sealed container, if pressure and volume are made double, then : B.) temperature is now four times its original value.

Ideal gas is an hypothetical condition of gas state where molecules of the gas are spaced widely apart that is the inter molecular force of attraction is negligible. It obeys the equation,

PV = n RT

Here, P is the absolute pressure of the gas

V is Volume occupied by the gas

n is number of moles of gas

R is Gas constant

T is Absolute temperature of the gas

Ideal gas at two different states are given as:

((P1).(V1))/(T1) = ((P2).(V2))/(T2)

Given, P2 = 2*P1, V2 = 2*V1

So, ((P1).(V1))/(T1) = ((2*P1).(2*V1))/(T2)

1/T1 = 4/T2

T2 = 4 times of T1

Temperature of the gas becomes four times on doubling the absolute pressure and temperature of gas.

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Answer: It has the skill to nest

sorry if I'm wrong

Answer:

B: A colorful beak

Explanation:

i hope this helped!

Answer:

1299N

Explanation:

GIven data

Weight W= 1500N

Angle Ф= 30°

The applied force up the frictionless ramp is gotten by applying the formula below

F= WcosФ

substitute

F=1500 cos 30

F = 1500*0.8660

F= 1299N

Hence the applied force is 1299N

The system described by the transfer function G(s) = -co² s² + 2a + w², with a damping ratio of 1.3 and a natural frequency of 0.5, has an overdamped unit step response. So, the correct option is (E)

The transfer function of the system is given as G(s) = -co² s² + 2a + w², where co represents the damping ratio, a represents an arbitrary constant, and w represents the natural frequency of the system. We are given that the natural frequency is 0.5 and the damping ratio is 1.3.

To determine the type of unit step response, we need to analyze the damping ratio (co) in relation to the critical damping value (co_critical).

The critical damping ratio (co_critical) is defined as the value where the system is on the threshold between being overdamped and underdamped. It is given by the formula co_critical = 2 * sqrt(a * w²).

In our case, the natural frequency (w) is 0.5, so we can calculate co_critical as follows: co_critical = 2 * sqrt(a * 0.5²).

Since the damping ratio (co) is given as 1.3, we can compare it with co_critical to determine the type of unit step response.

If co > co_critical, the system is considered overdamped (Option E).

If co = co_critical, the system is considered critically damped (Option D).

If co < co_critical, the system is considered underdamped (Option C).

Based on the given values, we can determine that the system is overdamped (Option E) because the damping ratio (1.3) is greater than the critical damping ratio.

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When a quality control test is performed to ensure that the penetrating ability of the x-ray beam is accurate, the result must be within what amount of the control panel setting will be ±4 kVp.

Quality control entails testing units to see if they meet the standards for the final product.

The goal of the testing is to evaluate whether any corrective measures are required in the production process. Good quality control assists businesses in meeting customer needs for improved products.

When a quality control test is performed to ensure that the penetrating ability of the x-ray beam is accurate. The results must be under some limits.

Hence the result must be within what amount of the control panel setting will be ±4 kVp.

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Answer:

An endothermic reaction is one in which heat is transferred from the surroundings to the reactants.------- true

Answer:

T . Energy is transferred to the reactants

Explanation: