using conservation of energy, find the maximum height hmaxhmaxh_max to which the object will rise. express your answer in terms of vvv and ggg . you may or may not use all of these quantities.

The velocity for mass of 60 kg is 99.6 m/s and for mass of 90 kg is 122 m/s.

The displacement that an object or particle experiences concerning respect to time are expressed vectorially as velocity. The meter per second (m/s) is the accepted unit of velocity magnitude (also known as speed). Alternately, the magnitude of velocity can be expressed in centimeters per second (cm/s).

The pace at which a body's distance changes about time is referred to as its velocity. Its SI equivalent is m/s.

Given:-

Mass (m1) = 60kg

Mass (m2) = 90kg

Assumption:

ρ(air) = 1.21 kg/m^3

Pike position so assume A = 0.14 m^2

Pike position so assume C = 0.7

The terminal velocity \(V_T= \sqrt{\frac{2mg}{ρ(air)*C*A} }\)

For 60kg,

\(V_T= \sqrt{\frac{2*60*9.80}{1.12*0.7*0.14} }\)

\(V_T=99.6m/s\)

For 90kg,

\(V_T= \sqrt{\frac{2*90*9.80}{1.12*0.7*0.14} }\)

\(V_T=122m/s\)

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The correct terms that fills the box are;

(i) The incident ray

(ii) The normal

(iii) The reflected ray

(iv) The angle of incident

(v) The reflected angle

The terms of the ray diagram is illustrated as follows;

(i) This arrow indicates the incident ray, which is known as the incoming ray.

(ii) This arrow indicates the normal, a perpendicular line to the plane of incidence.

(iii) This arrow indicates the reflected ray; the out going arrow.

(iv) This the angle of incident or incident angle.

(v) This is the reflected angle or angle of reflection.

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Answer:

It will cool down and become a cold black dwarf.

Explanation:

The electron degeneracy pressure slowly overwhelms gravity, and the white dwarf evaporates. As gravity overwhelms the electron degeneracy pressure, it will explode as a nova.

None of the options listed is a negative externality. A negative externality is an unintended consequence of an economic activity that affects a third party who is not directly involved in the activity.

If I were to choose: Businesses would not necessarily increase hiring rates.

This could be considered a negative externality because the grant funding is intended to fund job training in order to increase employment opportunities, but if businesses do not increase their hiring rates despite having a pool of trained workers, then the intended benefit of the grant may not be fully realized. This could result in a loss of resources and a missed opportunity to address unemployment in the community.

Answer:

Movement skills in square dancing transfer to ballroom dancing when they both require you to dance in a rhyme.

Explanation:

Answer:

gburhgjn

Explanation:

hrbvufv

C) fault-block mountain

The transformation of Polaroid in recent years has been characterized by a shift from analog instant photography to embracing digital technologies and modernizing its product offerings. This transformation has allowed Polaroid to adapt to the changing market and cater to the needs and preferences of today's consumers.

In recent years, Polaroid has introduced a range of digital instant cameras that combine the nostalgic appeal of instant photography with the convenience and versatility of digital imaging. These cameras typically feature built-in printers that produce instant prints, capturing the essence of Polaroid's iconic instant photography experience. Additionally, Polaroid has embraced the smartphone era by developing products like the Polaroid Lab, which allows users to turn digital photos from their smartphones into classic Polaroid-style prints.

Furthermore, Polaroid has expanded its product lineup to include various accessories, such as portable printers and film formats compatible with both analog and digital devices. By embracing digital technologies while staying true to its instant photography heritage, Polaroid has successfully repositioned itself in the market, appealing to a new generation of photography enthusiasts seeking a blend of nostalgia and modern functionality.

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When a billiard ball is struck horizontally by a cue, it experiences a force that causes it to move forward. However, if the force is too great, the ball will slide instead of rolling. To prevent this, the cue must strike the ball at a specific height above its center of gravity.

To determine this height, we need to consider the forces acting on the ball. When the ball is struck, it experiences both translational and rotational motion. The translational motion causes the ball to move forward, while the rotational motion causes it to roll. The key is to find the point at which the force applied by the cue causes the ball to begin rolling without sliding.

This point is known as the "rolling point" and is located at a height above the center of gravity that is equal to 7/5 times the radius of the ball. So, if the ball has a radius of r, the cue should strike the ball at a height of h = 7/5r above its center of gravity. This will ensure that the ball starts rolling without sliding.

In summary, the billiard ball should be struck horizontally by a cue at a height of 7/5 times its radius above its center of gravity to start rolling without sliding.

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The longer the time between the arrival of the P-wave and S-wave, the farther away is the epicenter.

Hence, Option B is the correct answer.

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\(\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}\)

Actually Welcome to the Concept of the Work And Energy.

So we here use the formula as,

W= Mgh

so after solving we get as,

W = 0.686 Joules

Answer:huh

Explanation:

The tail shape of a surfboard greatly affected the board's interaction with the wave's face and the flowing of water flowing.

The tail shape of a surfboard affects how the board depends on the wave's face, and the water flowing between it. More comprehensive, thicker tail shapes have more surface area and assist the board to float and create lift - allowing the surfboard to plane over the surface of the water more efficiently.

The shape of both the surfboard and its fin swap the way the water moves around it if you can grab a wave as well as the turning ability of the surfboard.

So we can conclude that Surfboard bottom outlines are also essential. Concave and V-shaped contours have similar performances, for all opposite designs.

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The factor that determines radiation injury EXCEPT one is c. patient gender.

Radiation injury occurs when a person is exposed to high levels of ionizing radiation. The size of the irradiated area, the amount of radiation, and the dose rate are all factors that determine radiation injury, but patient gender is not. While patient gender may play a role in other aspects of healthcare, it does not determine the amount of radiation injury a person may experience. Therefore, the correct answer is c. Patient gender.

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(a) To determine the maximum altitude reached by the hikers, we need to find the maximum value of the function y(t). By analyzing the given function, we can see that the maximum altitude occurs at the highest point of the curve.

To find this point, we can take the derivative of y(t) with respect to t and set it equal to zero. Solving this equation will give us the value of t at which the maximum altitude is reached. Substituting this value back into the original function will give us the maximum altitude.

(b) To calculate the total feet ascended by the hikers, we need to find the area under the curve of the function y(t) over the time interval of the hike. This can be done by integrating y(t) with respect to t over the given interval.

(c) Similarly, to calculate the total feet descended by the hikers, we need to find the area under the curve of the function y(t) below the x-axis over the time interval of the hike. This can be achieved by integrating the absolute value of y(t) with respect to t over the given interval.

For the second part of the question:

(a) To determine when the velocity is zero, we need to find the time(s) at which the derivative of the position function x(t) is equal to zero.

(b) The position at t=5s can be found by substituting t=5 into the position function x(t). The acceleration can be found by taking the second derivative of x(t) with respect to t. The total distance traveled can be calculated by finding the definite integral of the absolute value of the velocity function from t=0 to t=5.

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(a) The distance travelled by the object is  100 m.

(b) The displacement of the object in time interval between t = 0 s and t = 10 s is 60 m.

(a) The distance travelled by the object is calculated from the total area of the curve.

total distance = area of triangle 1 + area of triangle 2 + area of rectangle.

total distance = (¹/₂ x base x height)₁ +  (¹/₂ x base x height)₂ + length x width

total distance = (¹/₂ x 6 s x 20 m/s) +  (¹/₂ (8 - 6) 20) + (10 - 0)(10 - 8)

total distance =  60 m + 20 m + 20 m

total distance = 100 m

(b) The displacement of the object in time interval between t = 0 s and t = 10 s is calculated as follows;

displacement = final position - initial position

displacement =  (¹/₂ x base x height)₁ +  (¹/₂ x base x height)₂ + length x width

displacement = (¹/₂ x 6 s x 20 m/s) +  (¹/₂ (8 - 6) (-20)) + (10 - 0)(10 - 8)

displacement = 60 m - 20 m + 20 m = 60 m

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Answer:

The average speed can be calculated as the quotient between the distance travelled and the time needed to travel that distance.

To go to the school, he travels 2.4 km in 0.6 hours, then here the average speed is:

s = (2.4km)/(0.6 hours) = 4 km/h

To return to his home, he travels 2.4km again, this time in only 0.4 hours, then here the average speed is:

s' = (2.4 km)/(0.4 hours) = 6 km/h.

Now, if we want the total average speed (of going and returning) we have that the total distance traveled is two times the distance between his home and school, and the total time is 0.6 hours plus 0.4 hours, then the average speed is:

S = (2*2.4 km)/(0.6 hours + 0.4 hours)

S = (4.8km)/(1 h) = 4.8 km/h

Hebb's rule is based on the associative laws of frequency and contiguity.

Hebb's rule is the based on the frequency and contiguity associative principles. This means that the stronger the link between two neurons gets the more frequently they are triggered together and the closer in time their activations occur.

This is because, according to Hebb's rule, "cells that fire together wire together," which means that synapses connecting neurons that are the active at the same moment become stronger over time.

This process is the assumed to be at the root of many types of learning and memory in the brain.

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For three cylindrical flasks A, B and C of diameter 50 mm, 75 mm and 100 mm, the statement is (c). The least count of all three are the same.

The least count of a measuring instrument is the smallest change in the quantity being measured that can be detected by the instrument. In this case, the quantity being measured is the volume of liquid. The least count of a cylindrical flask is the volume of liquid that corresponds to the smallest graduation on the flask.

The least count of a cylindrical flask is independent of the diameter of the flask. This is because the volume of liquid that corresponds to the smallest graduation on the flask is proportional to the square of the diameter of the flask. Therefore, the least count of a cylindrical flask is the same for all flasks, regardless of their diameter.

Therefore, the least count of all three flasks A, B, and C are the same.

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The tangential velocity of the sun at the equator is, 2370.25π km/hr.

Tangential velocity is the linear component of the speed of any object which is moving along a circular path. A point on the outside edge of a turntable moves a greater distance in one complete rotation than a point near to the center.

The equation for velocity is v = ΔxΔt. Using the circumference of the circle as the distance and the time as the period, we can rewrite the equation for velocity: v = 2πr/T.

Plug in the given values and solve for the velocity.

v = 2π (696,000km)/587.28 hr

v = π × 1392000km/587.28 hr

v = 2370.25π km/hr

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Answer: When You Display Food in Ice, What Should the Food be Held at a Temperature Of?

Explanation:

According to the FDA, food displayed on ice should be held at a temperature of 41°F or below.

{I Hope This Helps! :)}

Therefore, if the boat experiences an 82m displacement, 1000 N of force will be needed to stop it.

A particle or object's mass, which is symbolised by the symbol m, is a measure of how much matter is contained within it. The kilogramme is the standard unit of mass in the International System (SI) (kg). The best definition of mass is the amount of matter contained in any object or body. We notice mass in everything we encounter. A table, chair, bed, football, glass, and even air are examples of items with mass.

Beam balances, like a triple beam balance, and digital scientific balances are examples of many sorts of balances. Both grammes and kilogrammes are used as the standard units of measurement for mass in the metric system. You normally use a contemporary digital and spring scale at home to calculate mass.

Mass= 1200kg

Speed= 12m/s

Therefore the force = mass × speed

Force= 1200×10 /12

Force= 1000N

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The object is approximately 0.862 m/s, and its corresponding kinetic energy is approximately 0.0077 J.

The maximum velocity, we need to determine the amplitude of the oscillation first. Since the object bounces 3.35 cm above and below its equilibrium position, the total displacement is 2 * 0.0335 m = 0.067 m.

Using the equation for the maximum velocity of a mass-spring system, v_max = A * ω, where A is the amplitude and ω is the angular frequency, we can calculate ω. The angular frequency is given by ω = √(k / m), where k is the force constant and m is the mass.

Plugging in the values, ω = √(1.45 N/m / 0.0185 kg) ≈ 12.87 rad/s. Now we can calculate the maximum velocity: v_max = 0.067 m * 12.87 rad/s ≈ 0.862 m/s.

b) The kinetic energy at the maximum velocity, we use the formula KE = (1/2) * m * v^2, where m is the mass and v is the velocity. Plugging in the values, KE = (1/2) * 0.0185 kg * (0.862 m/s)^2 ≈ 0.0077 J.

The maximum velocity of the object is approximately 0.862 m/s, and its corresponding kinetic energy is approximately 0.0077 J.

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The two basic differences between normal galaxies and active galaxies are related to their luminosity and variability; The most likely range of values of the Hubble constant is 67 to 73 km/s/Mpc.

1) Between normal galaxies and active galaxies, there are two key differences:

2) Hubble's constant, which represents the speed at which the cosmos is expanding, is now thought to lie within the most plausible range of values of 67 to 73 km/s/Mpc. However, there is still significant uncertainty in this value, with different observational methods yielding slightly different results and systematic uncertainties that are difficult to quantify. Current estimates of the uncertainty range from around 1 to 3 km/s/Mpc, depending on the method used and the assumptions made.

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1. Basic difference is in their luminosity. 2. Hubble constant right now is 67-73 km/s/Mpc

Detailed Answer - 1. Two basic differences between normal galaxies and active galaxies are:
- Active galaxies have a much higher luminosity than normal galaxies, due to the presence of a central supermassive black hole that is accreting matter and emitting huge amounts of radiation. This makes them visible at great distances and makes them some of the brightest objects in the universe.
- Active galaxies also have much more variability in their brightness and spectra than normal galaxies, as the activity of the central black hole can change rapidly and affect the surrounding gas and stars. This can result in the emission of jets, outflows, and other phenomena that are not seen in normal galaxies.
2. The most likely range of values for Hubble's constant is currently estimated to be around 67-73 km/s/Mpc, although there is still some debate and uncertainty around this value. The uncertainties in its value come from a variety of sources, including the calibration of the standard candles used to measure distances, the measurement of the redshifts of distant galaxies, and the interpretation of the cosmic microwave background radiation. Some recent measurements have suggested slightly higher or lower values of Hubble's constant than the current consensus, which could have significant implications for our understanding of the universe and its evolution.

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we can calculate the magnitude of the electric field at the center of the square by summing up the electric field contributions from each charge on the square. The equation is E_total = 4 x E_individual. Substitute the given values into the equation and simplify to find the answer.

To calculate the magnitude of the electric field at the center of the square, we need to consider the contribution from each charge on the square. Since the problem does not provide the charge on each corner, let's assume they are all the same and equal to q.

To find the electric field at the center of the square, we need to sum up the electric field contributions from each charge.

Here's how we can do it step-by-step:

1. First, let's find the electric field due to one of the charges on a corner of the square. The electric field due to a point charge at a distance r is given by Coulomb's Law:
  E = k x (q / r^2)
  where k is the electrostatic constant and q is the charge on the corner.

2. Since the square is symmetric, the electric field due to each charge will have the same magnitude and will point radially inward towards the center.

3. To calculate the total electric field at the center, we need to consider the electric field due to each charge and add them up. Since there are four corners, we will have four contributions.

4. The electric field due to one charge at the center will be the sum of the electric fields from the four corners:
  E_total = 4 x E_individual

5. Now, substitute the given value of the side length of the square (4.5 cm) and the electrostatic constant (k = 9 x 10^9 N m^2/C^2) into the equation.

6. Simplify the equation and calculate the final value of the electric field at the center of the square in newtons per coulomb (N/C).

In conclusion, we can calculate the magnitude of the electric field at the center of the square by summing up the electric field contributions from each charge on the square. The equation is E_total = 4x E_individual. Substitute the given values into the equation and simplify to find the answer.

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The total magnetic field at the center point between the two squares is \(2 *10^{(-4)}\) Tesla.

Let's assume the current passing through each square of wire is I = 15 mA = \(15 *10^{(-3)} A\).

The magnetic field produced by a square wire at its center can be calculated using the formula for the magnetic field of a long straight wire:

B = (μ₀ * I) / (2 * π * r)

Where:

B is the magnetic field

μ₀ is the permeability of free space\((4\pi × 10^{(-7)} T.m/A)\)

I is the current

r is the distance from the wire

For each square wire, the distance from its center to the center point between the two squares is 1.5 cm = 0.015 m.

Calculating the magnetic field produced by each square wire:

B1 =\((4\pi * 10^{(-7)} T.m/A * 15 * 10^{(-3)} A) / (2 *\pi * 0.015 m)\)

B1 =\(10^{(-4)} T\)

Since the current passes through both squares in a counterclockwise direction, the magnetic fields produced by both squares will have the same magnitude and direction.

Therefore, the total magnetic field at the center point between the two squares is:

B_total = B1 + B1

B_total =\(2 * 10^{(-4)} T\)

B_total = \(2 *10^{(-4)} T\)

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--The complete Question is, Two squares of wire, each with a side length of 4 cm, are placed side by side on a table with a distance of 3 cm between the closest sides of the two squares. A 15 mA current passes counterclockwise through both squares. What is the total magnetic field at the center point between the two squares?--

Correct answer is blue-purple.

Let's discuss it further below.

To find the wavelength most strongly reflected at the center of the outer surface when a soap bubble with a thickness of 120 nm is illuminated by white light, you should use the formula for constructive interference. Assuming the refractive index n = 1.34, follow these steps:

1. Calculate the optical path difference: The path difference is twice the thickness of the soap film multiplied by the refractive index (n). In this case, it is 2 × 120 nm × 1.34 = 321.6 nm.

2. Determine the wavelength of constructive interference: For constructive interference, the optical path difference must be equal to an integer multiple of the wavelength. Since the optical path difference is 321.6 nm, you can approximate the reflected wavelength to be around 321.6 nm.

3. Identify the color: A wavelength of approximately 321.6 nm corresponds to the blue-purple range of the visible light spectrum.

So, when a soap bubble with a thickness of 120 nm and refractive index of 1.34 is illuminated normally by white light, the wavelength most strongly reflected at the center of the outer surface is blue-purple.

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Answer:

what that guy said

Explanation:

because he provides evidence

If a negative charge is placed exactly midway between two parallel plates of a capacitor, it will remain at rest.

This is because the electric field between the two plates is uniform and directed upwards, perpendicular to the surface of the plates.

Since the negative charge is also negatively charged, it will experience a force in the opposite direction to the electric field, that is, downwards.

The magnitude of this force will be proportional to the charge of the particle and the strength of the electric field, as given by the formula

F = qE, where F is the force, q is the charge, and E is the electric field.

However, since the negative charge is placed exactly midway between the two plates, the forces on the charge due to the electric field will be equal and opposite, resulting in a net force of zero.

Therefore, the charge will remain at rest and not be accelerated in any direction.

Hence, option (a) is the correct answer: the negative charge will remain at rest.

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