A rocket carrying a new 960-kg satellite into orbit misfires and places the satellite in an orbit with an altitude of 120 km, well below its operational altitude in low-Earth orbit.

(a) What would be the height of the satellite's orbit if its total energy were 550 MJ greater?

(b) What would be the difference in the system's kinetic energy? (Include the sign of the value in your answer.)

(c) What would be the difference in the system's potential energy? (Include the sign of the value in your answer.)

These answers are all in MJ.

The area of Mrs. Turner's apartment is approximately 0.05304 square feet.

To find the area of Mrs. Turner's apartment, we need to convert the measurements from the scale drawing to the actual measurements in feet, using the given scale factor of 1 inch/18 feet.

Length of apartment in feet = 6.25 inches × (1 foot/18 inches) = 0.34722 feet

Width of apartment in feet = 2.75 inches × (1 foot/18 inches) = 0.15278 feet

Now, we can calculate the area of the apartment in square feet by multiplying the length and width:

Area of apartment in square feet = Length × Width = 0.34722 feet × 0.15278 feet = 0.05304 square feet

Therefore, the area of Mrs. Turner's apartment is approximately 0.05304 square feet.

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The time required to crumple the barrier and safely slow down the person with a force of 1650 N is approximately C, 1.1 seconds.

To determine the time required to crumple the barrier and safely slow down the person with a maximum force of 1650 N, use the equation of motion:

F = m × a

where:

F = force

m = mass

a = acceleration

Given:

m = 68 kg

F = 1650 N

Find the acceleration (a) first. Rearranging the equation:

a = F / m

Substituting the values:

a = 1650 N / 68 kg

a ≈ 24.26 m/s²

Now, use the equation of motion to find the time (t):

v = u + at

where:

v = final velocity (0 m/s as the person comes to a stop)

u = initial velocity (27 m/s)

a = acceleration (24.26 m/s²)

t = time

Rearranging the equation:

t = (v - u) / a

Substituting the values:

t = (0 m/s - 27 m/s) / 24.26 m/s²

t ≈ -27 m/s / 24.26 m/s²

t ≈ -1.11 s

The negative sign indicates that the time is in the opposite direction to the initial velocity. Taking the absolute value, the time required to crumple the barrier and safely slow down the person with a force of 1650 N is approximately 1.11 seconds.

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The following microscope parts are: - Ocular lens, Objective lens, Diaphragm, Stage and Slide.

a. Ocular lens- Ocular lens is found on the eyepiece.

b. Objective lens - found on the revolving nose piece.

c. Diaphragm : - regulates the amount of light entering the lens system.

d. Stage: - controls allows to make large scale adjustments to the stage height in order to bring the specimen into view with scanning objective.

e. Slide: - is placed on the stage.

A microscope is a scientific instrument that is used to magnify small objects that are too small to be seen by the eye. It is an essential tool for many branches of science, including biology, chemistry, and physics. Microscopes come in many different types and sizes, but they all work by using lenses to magnify objects.

The most common type of microscope is the optical microscope, which uses visible light to magnify specimens. These microscopes have two or more lenses that work together to magnify the specimen. Some optical microscopes also use fluorescent or polarized light to enhance the image. Electron microscopes, on the other hand, use beams of electrons to magnify objects.

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(a) The spring constant is 1,279.1 N/m.

(b) The length of the ramp is 1.75 m.

(c) The mass did not jump the gap.

(d)  The landing area must be placed 1.98 m below the top of the ramp for the block to successfully jump it.

The spring constant is calculated as follows;

¹/₂kx² = ¹/₂mv²

kx² = mv²

k = mv²/x²

k = (5.22 x 4.43²) / (0.283)²

k = 1,279.1 N/m

The height traveled by the mass when it reaches top of the ramp is calculated as follows;

¹/₂Kd² = ¹/₂mv² + mgh

The height of the ramp, h = Lsinθ

¹/₂Kd² = ¹/₂mv² + mgLsinθ

0.5 x 1279.1 x 0.283² = 0.5 x 5.22 x (2.81)² + 5.22 x 9.8 x (sin20) x L

51.22 = 20.61 + 17.5L

30.61 = 17.5L

L = 30.61 / 17.5

L = 1.75 m

h = L x sin20

h = 1.75 x sin20

h = 0.6 m

Time taken for the mass to travel the height

\(h = vt + \frac{1}{2} gt^2\\\\0.6 = 2.81t + 4.9t^2\\\\4.9t^2 + 2.81t - 0.6=0\\\\t = 0.17 \ s\)

Horizontal distance = vt = 0.17 x 2.81 = 0.48 m (0.48 m is less than 1.16 m)

Thus, the mass did not jump the gap.

t = x/v

t = 1.16/2.81

t = 0.41

\(H = 2.81(0.41) + \frac{1}{2} (9.8) (0.41)^2\\\\H = 1.98 \ m\)

Thus, the landing area must be placed 1.98 m below the top of the ramp for the block to successfully jump it.

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The researcher did not find strong evidence to support the idea that job applicants with popular names are viewed more favorably than equally qualified applicants with less popular names.

It sounds like the researcher conducted an experiment to investigate whether job applicants with popular names are viewed more favorably than equally qualified applicants with less popular names.

Based on the information provided, the researcher found that the differences in the evaluations of the applicants by the two groups were not significant at the .001 level.

The factors that play an important role in the hiring process for a job:

(1) Qualifications and experience: Employers typically look for candidates who possess the necessary qualifications and experience for the job. This includes education, training, certifications, and work experience.

(2) Skills and abilities: Employers also consider a candidate's skills and abilities related to the job. These may include technical, interpersonal, communication, and problem-solving skills.

(3) Personal characteristics: Personal characteristics, such as motivation, work ethic, and adaptability, can also play a role in the hiring process. Employers may look for candidates who demonstrate a positive attitude, a willingness to learn, and the ability to work well with others.

(4) Fit with company culture: Companies may also consider whether a candidate fits with their company culture, values, and mission. This can include factors such as teamwork, creativity, and innovation.

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The order of the average surface temperature of the given planets as Mercury, Earth, Mars, Jupiter, and Neptune based on their distance from the sun.

The Solar System can be described as the gravitationally bound system of the Sun and the plants are the objects that orbit it. The solar system is formed 4.6 billion years ago from the gravitational collapse of a giant interstellar cloud.

Most of the mass of the solar system is contained in the Sun and the remaining mass is in the planet Jupiter. The four inner planets Mercury, Venus, Earth, and Mars are terrestrial planets, made primarily of rock and metal.

The two largest planets Jupiter and Saturn, are gas giants, made mainly of hydrogen and helium. The next two, Uranus and Neptune, are ice giants, made of volatile substances with hydrogen and helium, such as ammonia, water, and methane.

The average surface temperature of Mercury is 333°F (167°C), Earth 59°F (15°C), Mars -85°F (-65°C), Jupiter -166°F (-110°C), and Neptune -330°F (-200°C)

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Answer: length of B =4.00

Explanation:

for  the vectors A and B and the angle between them as  x.

Magnitude of the sum of A and B is  given as = √(A²+B²+2ABcosx

where

Magnitude of A  = 3.00

Magnitude of the sum of A and B is  5.00

5.00=√(A²+B²+2ABcos90°

5.00= √3² +b² +0

5²= 3² +b²

25=9+b²

b²= 25-9

b² = 16

b=  √16

b= 4

The net force on the car is the friction that keeps it on the road, which points toward the center of the circle of the curve. Then by Newton's second law, we have

• net vertical force:

∑ F = N - W = 0

• net horizontal force:

∑ F = Fs = m a

where

N = magnitude of normal force

W = car's weight

Fs = mag. of static friction

m = car's mass

a = v ²/R = mag. of the centripetal acceleration

v = car's speed

R = radius of curve

Now,

• compute the car's weight:

W = m g = (1500 kg) (9.8 m/s²) = 14,700 N

• solve for the mag. of the normal force:

N = 14,700 N

• solve for the mag. of the friction force, using the given friction coefficient:

Fs = 0.5 N = 7350 N

• solve for the (maximum) acceleration:

7350 N = (1500 kg) a   →   a = 4.9 m/s²

• solve for the (maximum) speed:

4.9 m/s² = v ²/ (35 m)   →   v ≈ 13 m/s

Answer:

Explanation:

The horizontal velocity is 1.61.

Answer:

D. injuries associated with lifting loads

Explanation:

The retail industry or store is the industry that involves the handling of their goods directly from the manufacturer and delivers goods to the consumer.

The health risk is acculipble to workers in the retail sector is injuries associated with lifting loads because while manually handling heavy or awkward sized objects, which are common in the retail industry causes strains and sprains.

So, the common activity in the retail store is lifting loads which leads to common injuries such as strains and sprains.

Hence, the correct answer is "D. injuries associated with lifting loads".

Answer:

D.

injuries associated with lifting loads

Explanation:

Correct on Edmentum

Answer: A straight line on the coordinate plane where all points on the line have the same y-coordinate.

Explanation: The purpule iine is the horizontal line:

Answer:

4 Km/hr

Explanation:

Data obtained from the question include the following:

Mass of ball (Mb) = 15 Kg

Velocity of ball (Vb) = 20 Km/hr

Mass skater (Ms) = 60 Kg

Velocity of skater (Vs) = 0 Km/hr

Velocity after collision (V) =..?

Thus, we can obtain the velocity after collision as follow:

MbVb + MsVs = V(Mb + Ms)

(15 x 20) + (60 x 0) = V (15 + 60)

300 + 0 = 75V

300 = 75V

Divide both side by 75

V = 300/75

V = 4 Km/hr.

Therefore, the velocity after the collision is 4 Km/hr.

The tax rate you will pay is displayed in tax brackets for each category of taxable income.

Thus, For instance, in 2022, the first $10,275 of your taxable income is subject to the lowest tax rate of 10% if you are single.

Up until the maximum amount of your taxable income, the following portion of your income is taxed at a rate of 12%.

As taxable income rises, the tax rate rises under the progressive tax system. Overall, this has the result that taxpayers with higher incomes often pay a greater rate of income tax than taxpayers with lower incomes.

Thus, The tax rate you will pay is displayed in tax brackets for each category of taxable income.

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Answer:

Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.

Explanation: sorry that i am late this came up late on my screen

The process of tilting the earth's axis is primarily responsible for the alteration in seasons. This reason is also validated by an observer at the North Pole the Sun changes its altitude in the sky over the year.

The axis of the earth is tilting because it is strongly impacted by the process of mass distribution over the planet Earth. The large accumulation of land mass and ice sheets in the northern hemisphere makes the top of the earth too heavy.

It is commonly seen throughout the year that different parts of Earth receive the Sun's most direct rays at different times. According to this, when the North Pole is tilted toward the Sun, it is found that there will be summer in the Northern Hemisphere.

Therefore, the process of tilting the earth's axis is primarily responsible for the alteration in seasons. This reason is also validated by an observer at the North Pole the Sun changes its altitude in the sky over the year.

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Answer:

If you are asking for the answer with the highest molar mass, then the answer is B.

B. Fe₂O₃

Answer:

a)  B = 0.9375 T  -z, b)      B = 1.54 T

Explication

a) The magnetic force is

         F = q v x B

         f = q v B sin θ

bold indicates vectors

For direction let's use the right hand rule.

If the charge is positive

the flea in the direction of velocity, toward + x

the fingers extended in the direction of B

the palm the direction of the force + and

therefore the magnetic field goes in the direction of -z

           F = q v B

           2.25 10-16 = 1.6 10-19  1.50 103 B

           B = 2.25 10-16 / 2.4 10-16

           B = 0.9375 T  -z

b) now an electron

thumb speed direction, -z

opposite side of palm force + y

therefore the direction of the magnetic field is + x

            B = F / qv

            B = 8.5 10-16 / 1.16 10-19 4.75 103

             B = 1.54 T

Our intrepid hero has done 2332 kJ of work pushing the crate on the frictionless surface of the newly discovered planet.

The work done by the space traveler can be determined utilizing the recipe W = F x d, where W is work, F is power, and d is distance. To find the power, we can utilize the recipe F = m x a, where m is mass and an is speed increase. Connecting the given qualities, we get F = 220 kg x 2 m/s^2 = 440 N.

Presently we can compute the work done by increasing the power by the distance: W = 440 N x 5.3 km = 2332 kJ. Accordingly, our fearless legend has done 2332 kJ of work pushing the container on the frictionless surface of the newfound planet.

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Answer:

 Ф = 28  \(\frac{N}{C \ m^2}\)

Explanation:

The electric field in a region of space is equal to

       E = (24 i + 30 j + 16 k)  N/C

indicate that we want to calculate the flow through a surface of A = 2 m² in the yz plane, therefore this area is defined by its modulus and the normal vector

        A = 2 i

flow is the field through the plane

       Ф = E . A

we calculate

      Ф = (24 i + 30 j + 16 k). 2 i

let's remember that

       i.i = 1

       i.j = i.k = 0

      Ф = 28  \(\frac{N}{C \ m^2}\)

The right sphere will acquire an equal and opposite net positive charge to balance the negative charge on the left sphere.

Since the left sphere is attracted to the positively charged rod, it means that the left sphere acquires a temporary negative charge due to induction.

The positive charge on the rod repels electrons in the left sphere, causing them to move away from the rod side and accumulate on the opposite side, resulting in a net negative charge on the left sphere.

According to the principle of charge conservation, the net charge on the system must remain zero. Therefore, the right sphere acquires an equal and opposite net positive charge to balance the negative charge on the left sphere.

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The student that gave the most precise measurement is student 2.

A precise measurement is one that is close together especially when we have a replicate measurement. The measurements that are close together are said to be presence. A measurement is accurate when the measurement is quite close to the true value. Precision ad accuracy are very important in a measurement.

In this case, let us consider the measurement of each student;

We can see that the student that gave the most precise measurement is student 2.

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friction

Friction is what causes moving objects to slow down and eventually stop.

Answer:

8 cm

Explanation:

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

Initial velocity (u) = 20 cm/s

Height (h) = 80 cm

Horizontal distance (s) =?

Next, we shall determine the time taken for marble to get to the ground. This can be obtained as follow:

Height (h) = 80 cm

Acceleration due to gravity (g) = 1000 cm/s²

Time (t) =?

t = √(2h/g)

t = √[(2 × 80)/1000]

t = √(160/1000)

T = √0.16

t = 0.4 s

Finally, we shall determine the horizontal distance travelled by the marble. This can be obtained as illustrated below:

Initial velocity (u) = 20 cm/s

Time (t) = 0.4 s

Horizontal distance (s) =?

s = ut

s = 20 × 0.4

s = 8 cm

Thus, the horizontal distance travelled by the marble is 8 cm.

The horizontal distance traveled by the marble is 8 cm.

The given parameters;

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

\(h = ut + \frac{1}{2} gt^2\\\\h = 0 + \frac{1}{2} gt^2\\\\h = \frac{1}{2} gt^2\\\\gt^2 = 2h\\\\t^2 = \frac{2h}{g} \\\\t = \sqrt{\frac{2h}{g} } \\\\t = \sqrt{\frac{2\times 0.8}{9.8} }\\\\t = 0.4 \ s\)

The horizontal distance traveled by the marble is calculated as follows;

\(X = v_0_x t\\\\X = (20 \times 0.4)\\\\X = 8 \ cm\)

Thus, the horizontal distance traveled by the marble is 8 cm.

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The ring will have the greater moment of inertia.

Acceleration of a body rolling down an inclined plane without slipping is given by,

α = gsinθ/(1 + K²/R²)

Acceleration of the ring,

α = gsinθ/(1 + R²/R²)

α = 1/2 gsinθ

Acceleration of the sphere,

α = gsinθ(1 + 5/2)

α = 2/7 gsinθ

Acceleration of the solid cylinder,

α = g sinθ(1 + 1/2)

α = 2/3 gsinθ

The ring has the highest acceleration. Therefore, the ring will reach the bottom of the slope first.

The ring will have the greater moment of inertia among the three.

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1.Unit vector in the direction BA: BA/|BA| = (2/3, 2/3, 1/3)

2.The angular velocity (ω) of the body is given as 3 radians per second.

3.Without the position of point P given, it is not possible to write the position vector of P.

4.Left-handed rotation refers to the direction of rotation where the rotation follows the left-hand rule.

5.Position vector of point A: (4, 1, 1)

Position vector of point B: (2, -1, 0)

The direction vector BA = (-2, -2, -1)

1.To determine the unit vector pointing in the direction BA, we subtract the coordinates of point B from the coordinates of point A and normalize the resulting vector.

The direction vector BA is given by:

BA = (4 - 2, 1 - (-1), 1 - 0) = (2, 2, 1)

To obtain the unit vector in the direction of BA, we divide the direction vector by its magnitude:

|BA| = √(2^2 + 2^2 + 1^2) = √(4 + 4 + 1) = √9 = 3

Unit vector in the direction BA: BA/|BA| = (2/3, 2/3, 1/3)

2.The angular velocity (ω) of the body is given as 3 radians per second.

3.Without the position of point P given, it is not possible to write the position vector of P. Please provide the position of point P to proceed with the calculation.

4.Left-handed rotation refers to the direction of rotation where the rotation follows the left-hand rule. In a left-handed coordinate system, if you curl the fingers of your left hand in the direction of rotation, your thumb will point in the direction of the rotation axis. It is the opposite direction to a right-handed rotation.

5.The position vectors of points A and B are:

Position vector of point A: (4, 1, 1)

Position vector of point B: (2, -1, 0)

The direction vector BA can be obtained by subtracting the coordinates of point A from the coordinates of point B:

BA = (2 - 4, -1 - 1, 0 - 1) = (-2, -2, -1)

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A cell of inter resistance of 0.5 ohm is connected to coil of resistance 4 ohm and 8 ohm joined in parallel.If there is current of 2A in 8 ohm, the electromotive force (emf) of the cell is approximately 14.5 volts.

To find the emf of the cell, we can apply Ohm's Law and Kirchhoff's laws to analyze the circuit.

Given:

Resistance of the coil, R1 = 4 ohm

Resistance of the other resistor, R2 = 8 ohm

Current passing through the 8-ohm resistor, I = 2A

First, let's analyze the parallel combination of the 4-ohm and 8-ohm resistors.

The total resistance of two resistors in parallel can be calculated using the formula:

1/Rp = 1/R1 + 1/R2

Substituting the given values, we have:

1/Rp = 1/4 + 1/8

1/Rp = 2/8 + 1/8

1/Rp = 3/8

Rp = 8/3 ohm

Now, let's consider the total resistance in the circuit, which includes the internal resistance of the cell (0.5 ohm) and the parallel combination of the resistors (8/3 ohm).

R_total = R_internal + Rp

R_total = 0.5 + 8/3

R_total = 1.833 ohm

Now, we can find the emf of the cell using Ohm's Law:

emf = I * R_total

emf = 2 * 1.833

emf ≈ 3.667 volts

Therefore, the emf of the cell is approximately 3.667 volts.

However, it is worth noting that the given current of 2A passing through the 8-ohm resistor does not affect the emf calculation since the emf of the cell is independent of the current in the circuit.

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Via moving one vector so that its tail sits on the tip of the first vector, you may add by the tip-to-tail approach. New vector drawn from first vector's origin to the second vector's arrow is the resulting vector, A+B, or the sum of the two.

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Explanation:

if we convert it into g/cm it'll be

2000 grams