What is the “price” that you pay for using less force? The price that you pay for using less force is having to do more work.
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dont ask this is what i looked up and found
The "price" that you pay for using less force is:
The object would not moveForce is defined as the energy which is required to move or change the velocity of an object.
There are different types of force which includes:
Gravitational forceApplied forceFrictional force, etcAs a result of this, if there is less force exerted on an object, then the "price" which would be paid for this is that the object would not move.
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An object decelerates from 25.0 m / s to 5.0 m / s in a time of 4.0 s. It has a mass of 50 kg. What is the resultant force on the object?
Answer:
10 N
Explanation:
Force = Mass÷Acceleration
F= 50 ÷ 5
= 10 N
______________________
Acceleration =
[tex] \frac{5 - 25}{4 } [/tex]
= 5m/s2
Given:
Mass, m = 50 kgAcceleration, a = 5.0 m/sTime, t = 4.0 sAs we know,
The acceleration will be:
= [tex]\frac{5-25}{4}[/tex]
= [tex]5 \ m/s^2[/tex]
hence,
The force will be:
→ [tex]F = \frac{m}{a}[/tex]
By substituting the values, we get
[tex]= \frac{50}{5}[/tex]
[tex]= 10 \ N[/tex]
Thus the above response is right.
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If the body's temperature is above 105 °F for a prolonged period, heat stroke
can result. Express this temperature on the Celsius scale.
OA 40.5°C
OB 58.3°C
OC 76.1°C
KOD 131.4°C
Answer:
A
Explanation:
C = (F-32)*5/9 = 73*5/9 = 40.55555
since the answers are spread apart, technically you can just estimate by doing -32
and then /2
since 5/9 is close to 1/2
Tyler is in downtown San Antonio entertaining the tourists with amazing feats of physics. He carries a nickel
(mass of 5.0 grams) up to the top of the Tower of the Americas and places it on the edge of the observation
deck, a height of 124 meters. Tyler pushes the nickel off the edge of the Tower, and then tells the tourists
that he will be able to calculate the velocity of the nickel just before it hits the ground. What will be the
nickel's velocity?
Answer:
The velocity of the nickel just before it hits the ground is approximately 49.3 m/s
Explanation:
In order to calculate the velocity of the nickel just before it hits the ground, we recall the kinematic equation of motion, v² = u² + 2·g·h, where the variables of the equation are defined as follows;
v = The velocity of the nickel just before it hits the ground after it is pushed off the observation deck
u = The initial velocity of the nickel just before it is pushed off the observation deck = 0 m/s
g = The acceleration due to gravity = 9.8 m/s²
h = The height from which he nickel is pushed off the edge = 124 m
Substituting the given values and the constant, "g", we have;
v² = 0² + 2 × 9.8 × 124 = 2,430.4
v = √2,430.4
Using a graphing calculator, we have;
v = √2,430.4 = 14·√(62/5) ≈ 49.3
The velocity of the nickel just before it hits the ground = v ≈ 49.3 m/s.
Please Help Me!!!........
Answer:
B
Polar covalent bonds and van dar Waals forces are weak attractive forces between discrete molecules of a simple molecular structure.
Ionic bonds are strong electrostatic forces of attraction between oppositely charged ions.
Hydrogen bonds are very strong bonds between hydrogen and a highly electronegative atom e.g Oxygen, fluorine, nitrogen
plz help asap 3 problums i will give brailyest
Which would take more work: lifting a 4 N box 0.5 m or a 1 N box 4 m? Explain your answer.
Sheleah does 1500 J worth of work on a 250 N box. How far does she have to move the box?
A 400 kg box and a 200 kg are to pushed across a horizontal table, the exact same distance with the exact force. Which box will have the most work done on it? Which box will get to the end first? Explain both of your responses.
Answer:
the answer is 104568948 degress
Explanation:
yeeeeeee
A 58 kg skier starts at rest from a 24.0 m high hill. They travel to the bottom and then up a second hill to a height of 19.0 m. How much kinetic energy do they have at the top of the second hill?
Answer:
10.791 kJ
Explanation:
Given that,
Mass of the skier, m = 58 kg
Initial position, h₁ = 24 m
Final position, h₂ = 19 m
We need to find the kinetic energy do they have at the top of the second hill.
Using the conservation of energy for both positions.
[tex]v_1=\sqrt{2gh_1} \\\\=\sqrt{2\times 9.8\times 24} \\\\=21.68\ m/s[/tex]
And
[tex]v_2=\sqrt{2gh_2} \\\\=\sqrt{2\times 9.8\times 19} \\\\=19.29\ m/s[/tex]
Kinetic energy :
[tex]K=\dfrac{1}{2}mv_2^2\\\\K=\dfrac{1}{2}\times 58\times 19.29^2\\\\=10791.01 J\\\\=10.791\ kJ[/tex]
So, the kinetic energy they have at the top of the second hill is 10.791 kJ.
Name one process that requires a force in the human body. Hint: the question is asking about something happening inside of the body like muscle contractions.
Answer:
Movement
Explanation:
During the formation of the aurora borealis, the electrons in an atom experience a change in energy levels. Which statement about this change is accurate?
First, the electron releases energy to move to a higher energy level.
First, the electron absorbs energy to move to a higher energy level.
First, the electron absorbs energy to move to a lower energy level.
First, the electron releases energy to move to a lower energy level.
Answer:
They are deflected as Earth’s magnetic field exerts force on them.
Explanation:
(Not for cheating, Just to help)
As solar wind approaches Earth, what happens to the charged electrons?
They are absorbed as Earth’s magnetic field exerts force on them.
They grow stronger as Earth’s magnetic field exerts force on them.
They grow weaker as Earth’s magnetic field exerts force on them.
They are deflected as Earth’s magnetic field exerts force on them.
First, the electron absorbs energy to move to a higher energy level.
In your own words explain how acceleration differs from uniform motion.
Explanation:
acceleration is the Changing of throut per unit time ....
and in uniform motion .....
in that the speed of an object is uniform means same
A sailboat sits tied up at the dock.
Which forces are acting on it?
(A)
applied force and tension force
(B)
electrical force and applied force
(C)
gravity and electrical force
(D)
tension force and gravity
Answer:B
Explanation:i think so im not suree
A sailboat that is tied up at the dock will experience tension force and gravity. Therefore, option (D) is correct.
What is the tension force?Tension can be described as a force acting along the flexible length of a medium such as a rope, string, or cable, or a force carried by a flexible medium.
Tension can be defined as an action-reaction pair acting at each end of the elements. For a rope, tension is present in every section of the rope or string in both directions, apart from their endpoints. Each endpoint of the rope will experience tension and force from the weight attached to it.
Tension can also be defined as a pulling force but the tension is not a pushing force. Ropes or strings are used to exert forces since they transfer a force over a specific distance.
Therefore, sailboats experience the tension force due to the rope with which it is tied at the dock and the force due to gravity.
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Intact fossils are usually found in sedimentary rock, not metamorphic rock. Based on the information in the diagram, what is the reason for this phenomenon?
Explanation:
The reason for this phenomenon is the due to the condition by which each type of rocks form.
A sedimentary rock is formed by the compaction and lithification of sediments within a basin.
A metamorphic rock forms under high temperature and pressure conditions which alters the minerology of a rock.
Based on these conditions, the metamorphic rock cannot host any fossil. Any relics of fossils would be destroyed at such elevated pressure and temperature conditions. This is not so in a sedimentary rock because the conditions are similar to that which can preserve organic matter.Answer:
The heat and pressure of metamorphism would deform the fossil, and the process of melting would destroy the fossil completely.
Explanation:
PLATO
In your own words explain how energy is involved in physical changes and in chemical changes
Answer:
All adjustments in issue include changes in energy. Energy is either delivered or consumed. The energy is often in the form of heat, however it might be in the form of sound or light.
Explanation:
this is in my own words btw:)
in 1965, two scientists made a surprising discovery. they detected a faint microwave radiation signal coming from all over the universe
what is this microwave radiation?i’ll give brainlist
Answer: someone took down my answer I don’t know why when I took this test and got it right but the answer is C like the other person said.
Explanation:
The microwave radiation referred to in this context is radiation that was released as matter formed in the early universe. Therefore option A is correct.
Microwave radiation, also known as cosmic microwave background radiation (CMB), is a faint radiation that permeates throughout the universe.
It is considered to be the remnants of the thermal radiation released shortly after the Big Bang, during a phase called recombination. At this time, the universe transitioned from a hot, dense plasma to a state where neutral atoms could form, allowing photons to travel freely.
The cosmic microwave background radiation is isotropic, meaning it is uniformly distributed in all directions, and it has a characteristic temperature of approximately 2.7 Kelvin (-270.45 degrees Celsius).
It was first detected in 1965 by Arno Penzias and Robert Wilson, who were awarded the Nobel Prize in Physics for their discovery.
The presence of cosmic microwave background radiation provides strong evidence for the Big Bang theory and helps to support the understanding of the early universe's formation and evolution.
It serves as an important tool for studying cosmology and provides insights into the structure, age, and composition of the universe.
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What are the advantages of two-dimensional art forms like photographs?
What are the limitations of two-dimensional art forms like photographs?
Answer:Two dimensional forms can create the illusion of 3 dimensional shapes and spaces.
Explanation:
Why do you need to learn about Volcanoes?
Answer:
Without volcanoes, most of Earth's water would still be trapped in the crust and mantle . Early volcanic eruptions led to the Earth's second atmosphere, which led to Earth's modern atmosphere . Besides water and air, volcanoes are responsible for land, another necessity for many life forms .
Explanation:
I hope it helpsin physics, the use of force to move an object is called
Answer:
In physics, work means the use of force to move an object. ... Not all force that is used to move an object does work. For work to be done, the force must be applied in the same direction that the object moves
The use of force to move an object is called Work.
A force can change the motion of an object. A force causes an object with mass to change its velocity (acceleration).
[tex]\bold{Force = Mass\times acceleration}[/tex]
while work is the result of the action when a force causes an object to move in the direction of the force.
[tex]\bold{Work= Force\times Displacement}[/tex]
Therefore, the use of force to move an object is called Work.
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A boy pulls his toy on a smooth horizontal surface with a rope inclined at 60 degree to the horizontal if the effective force pulling the toy along the horizontal surface is 5 Newton calculate the tension in the rope
Answer:
Tension = 2.5 N
Explanation:
Given:
Angle = 60°
Force f = 5 N
Find:
Tension
Computation:
Tension = fcosθ
Tension = (5)cos60
Tension = (5)(1/2)
Tension = 2.5 N
What units would you use to measure a red blood cell ? (nanometers micrometers millimeters
Unit to measure red blood cell is million per cubic millimeter
What is red blood cell ?A red blood cell, also called a hematopoietic cell, hemocyte, is a cell produced through hematopoiesis and found mainly in the blood
Unit to measure red blood cell is million per cubic millimeter
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a 50 kg box is pushed to the left using 500 N, the frictional force on the box is 100 N what is the acceleration on the box?
First thing's first, we need to find the Net Force of the system in order to solve for acceleration. Gravity and Normal Force cancel out, so we don't really have to worry about anything on the y-axis. However, looking at the x-axis, we see two forces: the Force of the push and Frictional Force.
This means that:
[tex]F_{net}[/tex] = 500 - 100
[tex]F_{net}[/tex] = 400 (N)
Recall that Force = Mass * Acceleration. Since we have the Force and Mass, we can easily solve for Accel:
F = ma
a = [tex]\frac{F}{m}[/tex]
Plug the net force and mass into the equation:
a = [tex]\frac{F}{m}[/tex]
a = [tex]\frac{400}{50}[/tex]
a = 8 (m/[tex]s^{2}[/tex])
The box's acceleration is 8 m/[tex]s^{2}[/tex]
If you have any questions about how I got to the answer, just ask :)
Hailey was riding her bike at a velocity of 4 m/s to the north. Her velocity
changed to 6 m/s to the north. What was her change in velocity?
A. -2 m/s north
B. 6 m/s north
C. 4 m/s north
D. 2 m/s north
Answer:
D. 2 m/s north
Explanation:
Hailey was riding her bike at 4 m/s and was changed to 6 m/s so there was 2 more m/s added.
Q1.
The figure below shows a slide in a children's playground
Metal ladder
Metal support
(a)
A child of mass 18 kilograms goes down the slide
The vertical distance from the top to the bottom of the slide is 2.5 metres.
Calculate the decrease in gravitational potential energy of the child sliding from the
top to the bottom of the slide.
Gravitational field strength = 10 N/kg
Decrease in gravitational potential energy
(2)
Answer:
P = 450 J
Explanation:
Given that,
Mass of a child, m = 18 kg
The vertical distance from the top to the bottom of the slide is 2.5 metres.
The Gravitational field strength = 10 N/kg
We need to find the decrease in gravitational potential energy of the child sliding from the top to the bottom of the slide.
The formula for the gravitational potential energy is given by :
P = mgh
Substituting all the values,
P = 18 kg × 10 m/s² × 2.5 m
P = 450 J
Hence, the decrease in gravitational potential energy is 450 J.
On the pH scale, where can you find strong acids and strong bases?
Explanation:
The pH scale is an index ranging from 0-14 which measures the acidity or basicity of substances. The closer the pH of an acid to 0 the stronger it is and the closer the pH of a base to 14,the stronger it is.
How can magnets cause objects to have kinetic energy?
Answer:
this has to do with the drop in voltage, or potential as electrons traverse the material .
Science help please!
Answer:
104 N
Explanation:
m = 1300 kg
a = 0.08m/s^2
F = 1300*0.08
F = 104 N
Newtons is the unit of force.
Increased levels of __________ __________ reaching Earth can lead to medical problems such as sunburn and skin cancer. What two words complete the sentence?
Answer:
Explanation:
The answer should be electromagnetic radiation(can i have a a brainliest) please
The increased levels of ultraviolet -radiation reaching earth can lead to health risks such as sunburn and skin cancer.
What is ultraviolet -radiation?Ultraviolet radiation is a high energy wave in the electromagnetic spectrum. The mains source of ultraviolet or UV rays is sun.
The electromagnetic spectrum is the arrangement of radiation based on the increasing order of energy or decreasing order of frequency. UV rays comes in between infra red radiation and visible light.
There are two type of ultraviolet rays namely UV-A and UV-B. In which UV-A has higher penetrating power and causes serious health risks than UV-B.
Reaching UV rays in an increased level to the earth surface will affect human beings as well as other organisms. It causes skin cancer, nausea, burning and other diseases.
Therefore the two words which suits to fill the statement is UV radiation.
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Which graph accurately shows the relationship between kinetic energy and mass as mass increases
Answer:
c
Explanation:
energy doesnt affect to mass of a object
why is the sun regarded as a big thermonuclear furnace?
plz tell
Answer:
hope this answers will help you
Explanation:
If you find it appropriate then plz mark as brainliest
Which of the following is an example of work: bowling or reading?
Answer:
bowling
Explanation:
bowling is an example of work because it involves hand movement.
Deanna's niece loves to swing at the local playground, so Deanna takes her and pushes her on the swing. Deanna must use (motion / transfer / force / energy) to exert a (transfer / motion / force / energy) that causes the swing to change (force / energy / motion / transfer/position).
AnswerShe uses force and air
Explanation:
n bhvygvg gv
If a police car is travelling towards you what effect does this have on the police
siren?
Answer:
well they make the siren go beacaus eyou are doing somthing wrong so what were you thinking
Explanation: