The arrows in the figure represent the
gravitational force between marbles that have
equal mass.
How should the force arrows look if a marble
that has greater mass replaces one of these
marbles?
A. Both arrows should be drawn longer.
B. Both arrows should stay the same length.
C. The arrow from the marble with less mass
should be longer than the other arrow.
D. The arrow from the marble with less mass
should be shorter than the other arrow.

The Arrows In The Figure Represent Thegravitational Force Between Marbles That Haveequal Mass.How Should

Answers

Answer 1

Option D. The arrow from the marble with less mass should be shorter than the other arrow if a marble that has greater mass replaces one of these marbles.

Force arrows are used to show both the magnitude and direction of forces. The length of the arrow corresponds to the magnitude of the force, longer arrows indicate forces of greater magnitude. The direction of the arrow corresponds to the actual direction of the force.

For example if a man pushes a block then the force exerted by that man and the direction of force can be represented as shown in the picture.

Since given figure shows marbles of equal mass therefore the arrows are equal. Further if the marble is replaced by the heavier marble than the arrow size will definitely change.

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The Arrows In The Figure Represent Thegravitational Force Between Marbles That Haveequal Mass.How Should

Related Questions

Suppose a particular spectral line has a wavelength of 500 nm in the lab. If you look at the spectrum of star A, you see this line at 480 nm. Star B exhibits this line at 510 nm, and the line is measured to be at 530 nm in star C. Which of the following statements is true?
a. Star A is moving the fastest of the three stars.
b. Star A is the only star moving away from us, star B and star C are both moving towards us (with star C moving towards us the fastest)
c. Star C is moving away from us faster than star B, star A is moving towards us.

Answers

c. Star C is moving away from us faster than star B, star A is moving towards us.

Since objects moving away are redshifted, and the amount of redshift tells us the speed, you can see how to tell the speed and direction of an object just by looking at its spectrum.

help me pleaseeeeeee

Answers

The unit conversion of 1.5 x 10⁸ Gm to m =  1.5 x 10¹⁷ m.

The unit conversion of 2.6 x 10⁻⁵ nm =  2.6 x 10⁻²⁰ Mm.

The unit conversion of 2.72 x 10⁻⁵ μm =   2.72 x 10⁻¹¹ m.

The unit conversion of 2.56 x 10⁻³ cm =  2.56 x 10⁻⁸ km.

The unit conversion of 2 hr =  7,200 seconds.

The unit conversion of 2 h 30 min  = 9,000 seconds.

What is unit conversion?

Unit conversion involves the change of unit of a substance from one base to another.

Converting 1.5 x 10⁸ Gm to m

1.5 x 10⁸ Gm = 1.5 x 10⁸ x 10⁹ m = 1.5 x 10¹⁷ m

Converting 2.6 x 10⁻⁵ nm to Mm

2.6 x 10⁻⁵ nm = 2.6 x 10⁻⁵ x 10⁻⁹ x 10⁻⁶ m = 2.6 x 10⁻²⁰ Mm

Converting 2.72 x 10⁻⁵ μm to m

2.72 x 10⁻⁵ μm =  2.72 x 10⁻⁵  x 10⁻⁶ m =  2.72 x 10⁻¹¹ m

Converting 2.56 x 10⁻³ cm to km

2.56 x 10⁻³ cm = 2.56 x 10⁻³ x 10⁻² m x 10⁻³ km/m = 2.56 x 10⁻⁸ km

Converting 2 hours to seconds

2 hr = 2 x 3600 s = 7,200 seconds

Converting 2 h 30min to seconds

2 h 30 min = 7,200 seconds + 1800 s = 9,000 seconds

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How many seconds would it take to travel 20 miles at an average velocity of (25miles)/(hour)?

Answers

36.7 feet per second


In 8.0 seconds a truck accelerates 5.7 m/s² to 57.7 m/s. How fast was the car going before it accelerated? (Round to one decimal place ex
14.1)

Answers

Answer:

12.1 m/s

Explanation:

If the car is gaining 5.7 meters per second of speed for 8 seconds then we need to multiply 5.7 by 8. this gives us 45.6

Now all we need to do is subtract 45.6 from 57.7. This is 12.1

Which hypothesis cannot be tested experimentally?

Question 13 options:

The average speed of air molecules increases with temperature.


Ghosts are the souls of people who have died.


The structure of any part of the broccoli is similar to the whole structure of the broccoli.


A vegetarian is less likely to be affected by night blindness.

Answers

Ghosts are the souls of people who have died cannot be tested experimentally.

An experiment is a technique used in science to create a discovery, test a theory, or show a known truth. because owing to a lack of technology, we might not be able to analyze souls.Any procedure where measurements are taken and tests are run to support or disprove a hypothesis is referred to as a scientific experiment.The scientific experiment is a component of the scientific method as a whole. This process is a series of sequential processes used to learn new information about any subject.The steps are: making a discovery. posing a query and developing a theory. scientific tests to validate the theory and gather data Analyzing the findings and making judgments presenting the findings

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I use a rope 2.00 m long to swing a 10.0-kg weight around my head. The tension in the rope is 20.0 N. In half a revolution how much work is done by the rope on the weight?

Answers

According to the given assertion, the work done during half revolution also will be equal to zero.

Why is effort done inside a circle equal to zero?

When a body is spun in a circle, the work done equals zero because displacement in circular motion is always perpendicular to the applied force. Also, when a body moves in a circular direction, the centripetal force works along the radius of the circle and is perpendicular to the body's motion.

What is the work-done calculation formula?

The following equation can be used to determine work: Work equals Force x Distance. The joule (J) or Newton meter (N m) is the SI unit for labor. One joule is the amount of work done when one Newton of force pushes an object one meter.

Briefing:

The work done by the centripetal force is always zero since force and instantaneous displacement are always perpendicular. As a result, effort done in half revolution is likewise equal to zero.

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A car is initially traveling at an unknown velocity. It accelerates constantly
for 5.0 seconds of elapsed time at a rate of 3.0 m/s² to reach a velocity of
30 m/s. What was the initial velocity of the car?
(A) 1.0 m/s
(B) 5.0 m/s
(C) 10 m/s
(D) 15 m/s

Answers

Answer: A

Explanation: No, we put the values S is 200 m and acceleration a is four m per second squared, So this gives us time to equal to 10 seconds

I hope its correct!

Match the particles with their characteristics,

subatomic particles with a positive charge

subatomic particles with a negative charge

subatomic particles with no charge

made of atoms

neutrons

-

>

electrons

protons

molecules

Answers

Any of the different self-contained units of matter or energy that are the building blocks of all matter are considered subatomic particles, also known as elementary particles.

Match the particles with their characteristics.

Subatomic particles with a positive charge. - Protons.Subatomic particles with a negative charge. - Electrons.Subatomic particles with no charge. - Neutrons.Made of atoms. - Molecules.

The heavier constituents of the atom's small, but incredibly compact nucleus, the positively charged protons and the electrically neutral neutrons, are subatomic particles, as are the negatively charged, practically massless electrons that make up the majority of the atom's size.

In 1911, Rutherford demonstrated that the majority of an atom's mass is contained in its tiny nucleus, at the center of the atom, revealing the fundamental structure of the atom. Rutherford proposed that the nucleus of the atom, which is dense and positively charged, orbits the lighter, negatively charged electrons in a manner similar to how the planets do around the Sun.

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If metal cube of side 10 cm at temperature 27° are putted on oven at temperature 227° if expansion Coefficient is 0.000011 c^-1 find the extension volume

Answers

The expansion volume of the metal cube is determined as 2.2 cm³.

Volume of expansion of the metal cube

The volume of expansion of the metal cube is calculated as follows;

ΔV = V₀αΔT

where;

V₀ is the initial volume of the metal cubeΔT is change in temperatureα is expansion coefficient

ΔV = (10 cm)³ x (0.000011)(227 - 27)

ΔV = 2.2 cm³

Thus, the expansion volume of the metal cube is determined as 2.2 cm³.

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Felix steals second base running at a speed 4.2 m/s. He slides into second base at a speed of

Answers

The resultant displacement such that Felix steals second base running at a speed 4.2 m/s and slides into second base at a speed of 5.8 m/s is 10 meters.

What is average velocity?

Average velocity is a physical quantity which refers to the average of the velocity it takes to compete certain displacement.

It is calculated by adding two velocities and dividing by net time taken.

What is displacement?

Displacement is a physical quantity which refers to the shortest possible distance between two points. Displacement drawn is generally a straight line until space curvature starts.

Given:

Speed in first base = 4.2 m/s

Speed in second base = 5.8 m/s

Time taken for first base = 0.5 seconds

Time taken for second base = 1.5 seconds

Average velocity = (4.2+5.8)/2

Average velocity = 5 m/s

Total time taken = 2 seconds

Average displacement = average velocity × total time taken

Average displacement = 5 × 2

Average displacement = 10 meter

Therefore, resultant displacement such that Felix steals second base running at a speed 4.2 m/s and slides into second base at a speed of 5.8 m/s is 10 meter.

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on a day the wind is blowing towards the south at 7 m/s, a runner jogs west at 7 m/s. what is the velocity (speed and direction) of the air relative to the runner?

Answers

Velocity is the rate of change of position of an object. The velocity of the air relative to the runner is 5√2 m/sec and it is in the southwest direction.

What is Velocity?

Velocity is the directional speed of a moving object as an indicator of its rate of change in location as perceived from a certain frame of reference and measured by a specific time standard.

Given that on a day the wind is blowing towards the south at 7 m/s, a runner jogs west at 7 m/s. Therefore, the velocity of the air relative to the runner can be written as,

Relative velocity = √[(Velocity of the jogger)² + (Velocity of the air)²]

                            = √[(5)² + (5)²]

                            = √(25 + 25)

                            = √50

                            = 5√2 m/sec

The direction of the relative velocity is,

The angle of relative Velocity = Tan(θ)

Tan(θ) = Vertical velocity / Horizontal velocity

Tan(θ) = 5/5

Tan(θ) = 1

θ = tan⁻¹(1)

θ = 45°

Since this angle is formed between the two velocities, therefore, the direction of the velocity is southwest.

Hence, the velocity of the air relative to the runner is 5√2 m/sec and it is in the southwest direction.

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The DEA approves drugs for dispensing in the United States

true or false

Answers

Answer:

false. the DEA does not approve this

A net force of 34 N is applied to accelerate an object at a rate of 2.5m / (s ^ 2) What is the mass of the object?

Answers

Answer:

F = M a         Newton's Second Law

34 kg m / s^2 = M * 2.5 m / s^2

M = 34 / 2.5 kg = 13.6 kg

you notice another ant beginning to walk along a meter stick. curious, you take out a stopwatch and determine the ant’s position on the meter stick. you record the following data: {(0.0 s, 0.0 m), (1.0 s, 0.12 m), (2.0 s, 0.24 m), (3.0 s, 0.36 m), (4.0 s, 0.48 m)}. determine the ant’s speed from the slope of the distance vs. time graph.

Answers

The speed of Ant is  0.12 m / s .

The given data is for Uniform Motion .

Ant ' s speed can be calculated as follows :

Speed = Distance / Time

v = s / t

s ₁ = 0.12 m

t ₁ = 1.0 sec

v ₁ = 0.12 / 1.0

v ₁ = 0.12 m / s

s ₂ = 0.24

t ₂ = 2.0 sec

v ₂ = 0.24 / 2.0

= 0.12 m / s

So , the speed of Ant is  0.12 m / s .

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