The required work done will be "6000 kg-m".
Work and energy:Work would be defined as an object's displacement whenever a force would be exerted to that as well, whereas energy is defined as the capacity to accomplish the work.
This then exists throughout a variety of forms, including potential, kinetic, biochemical, thermodynamic, nuclear, as well as direct current.
According to the question,
Mass, m = 500 kg
Distance, d = 12 m
We know the formula,
→ Work = Force x Distance
or,
→ W = F x D
By substituting the given values in the above formula, we get
= [tex]500\times 12[/tex]
= [tex]6000[/tex] kg-m
Thus the above answer is correct.
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If you could change one property of a substance ( solid, liquid, and gas) you have to use in your daily life, what would it be and why?
Please hurry
I will give you BRAINLIEST!!!!!!
And pleaseee write 5 sentences why??
Answer
Soap into a liquid
Explanation:
I need help
What should be done when the National Weather Service issues a severe weather watch?
Evacuate immediately.
Seek shelter immediately.
Take immediate action.
Begin to prepare.
Describe how different types of motion are represented by distance-time graphs and velocity-time graphs.
Answer:
non-accelerated movement
velocity versus time a horizontal straight line.
distance versus time gives a horizontal straight line.
accelerated motion
graph of velocity versus time s an inclined line and the slope
graph of distance versus time is a parabola of the form
Explanation:
In kinematics there are two types of steely and non-accelerated movements
In a the velocity of the body is constant therefore a speed hook against time gives a horizontal straight line.
A graph of distance versus time is a straight line whose slope is the velocity of the body
x = v t
In an accelerated motion the velocity changes linearly with time, so a graph of velocity versus time is an inclined line and the slope is the value of the acceleration of the body
v = v₀ + a t
A graph of distance versus time is a parabola of the form
x =v₀ t + ½ a t²
Feathers and a bowling ball are dropped in a vacuum, airless environment. Which one will hit the ground first?
Feathers
Bowling Ball
They will float
At the same time
Answer: at the same time
Explanation: in a vacuum, there isnt air, right? so there isnt gravity pushing down on the heavier object, so they will both land at the same time.
good? :)
Why are the inner plaets smaller
Answer:
The inner planets are much smaller than the outer planets and because of this have relatively low gravity and were not able to attract large amounts of gas to their atmospheres.
the fall of a body on the earth's surface cannot be a complete free fall why ?
Explanation:
because the boy has larger surface area due to which he offers the larger air resistance which decreases the acceleration so, he will fall towards the earth's surface approximately with constant velocity.
Which screw would create a strong hold?
What is the net force of the diagram?
Cannon ball of mass 3.5kg is fired at a speed of 22m/s2
Answer:
77N
Explanation:
Since we are not told what to find, we can as well look for the net force acting on the ball.
According Newton's second law;
F = mass × acceleration
Given
Mass = 3.5kg
Acceleration = 22m/s²
Net force F = 3.5×22
F = 35/10×22
F = 7/2×22
F = 7×11
F =77N
Hence the magnitude of force required is 77N
A crate is being pulled down an incline as shown in the figure. With respect to the crate's direction of motion, which of the following forces does only negative work on the crate?
Answer: Fn
Explanation: Because Fn is applying force upward
HELP ASAP!! WILL TRY TO GIVE BRAINLIEST
Distinguish among hypertonic, hypotonic, and isotonic solutions
Explanation:
ttggffgggggtttggcasvsydjx
what is the meaning of habitat
Answer: In ecology, habitat identifies as the array of resources, physical and biotic factors, present in an area that allow the survival and reproduction of a particular species. A species habitat can be seen as the physical manifestation of its ecological niche.
Explanation:
PLEASE HELP! FOR BRAINLIEST!!!
Answer:
I think it's C I'm so sorry if I'm wrong.
Explanation:
Answer:
A or Alex > Chai > Jimmy > SanniExplanation:
__________________________________________________________
Here's why this is the answer,
__________________________________________________________
Alex's Range = 3.20 - 0.90 = 2.30
Sanni's Range = 1.35 - 1.30 = 0.05
Chai's Range = 2.10 - 1.05 = 1.05
Jimmy's Range = 2.20 - 1.55 = 0.65
__________________________________________________________
Greatest to Least
Alex > Chai > Jimmy > Sanni
Here's why this is correct.
Alex = 2.30
Chai = 1.05
Jimmy = 0.65
Sanni = 0.05
I do not see the answer I have on this question so I think it is A.
__________________________________________________________
Hope this helps! <3
__________________________________________________________
Read this quotation:
"… my father, the King, is old and feeble. He has only me to help him take care of his people. This terrible dragon has driven them from their homes, carried away their cattle, and ruined their crops."
Which character says these words?
St. George
the Princess in "Robin Hood and the Golden Arrow"
the Princess in "The Last of the Dragons"
the Princess in "St. George and the Dragon"
Answer:
the Princess in "St. George and the Dragon"
Answer:
The princess in st. George and the dragon
Explanation:
Have a good day
Which are compounds ?
Answer:
water, salt, ammonia, sulfuric acid
Explanation:
I looked it up and decided to be helpful
Answer:
Water, Salt, Ammonia, Sulfuric Acid
Explanation:
PLEASE ANSWER QUICK!
Meiosis is a process that contributes to______
A. the production of somatic cells.
B. asexual reproduction.
C. creation of organisms with unique characteristics.
which is the best evidence that continents that are now separated were once
joined?
A. continents that were once joined now have similar climates
B. identical plant and animal fossils are found on continents that are now separated
C. the cultures of the people on separated continents have similar languages
D. the migratory patterns of wildlife on separated continents are similar
how has evidence changed our views on the universe
Answer:
We found out more about how the universe had started (Big Bang theory), how the planets were created and how stars are born.
28. A student notices that when a weight is hung on a spring, the spring stretches. She decides to conduct an experiment to determine the relationship between the amount of weight
placed on a spring and the distance the spring stretches. She has five different weights: 25 9,50 9.75 9. 100 9, and 125 g. She selects a weight, hangs it on the spring, and
measures how far the spring stretches
What is the independent variable in this experiment?
length of unst etched spring
distance the spring stretches
weight hung from the spring
O temperature of the spring
Answer:
C). weight hung from the spring
Explanation:
An Independent variable is characterized as the variable that is controlled or manipulated by the experimenter in order to observe its change on the dependent variable.
In the given experiment, 'weight hung from the spring' is the independent variable as it is manipulated by the researcher in order to witness its impact on the dependent variable(how the spring stretches). It is the cause that causes an effect on the dependent variable. Any change in the former directly affects the latter. Thus, option C is the correct answer.
An NFL wide receiver prospect runs 40 m in 4.5 seconds. What is the average speed of the wide receiver (m/s)?
Answer:
8.89 m/s
Explanation:
rate = distance/time
40m/4.5 sec = 8.8888889 m/s
An explosion occurs at the end of a pier. The sound reaches the other end of the pier by traveling through three media: air, fresh water, and a slender metal handrail. The speeds of sound in air, water, and the handrail are 355, 1480, and 5490 m/s, respectively. The sound travels a distance of 117 m in each medium. (a) After the first sound arrives, how much later does the second sound arrive
Answer:
0.05773 sec
Explanation:
We know that
time = distance/speed = d/V
for air
t1 = 117/355 = 0.3295 sec
for fresh water
t_2 = 117/1480 = 0.07905 sec
for metal
t_3 = 117/5490 = 0.02131 sec
So as we can see sound will reach through metal hand rail 1st, then through fresh water and then through air
1st = metal hand rail
2nd = fresh water
3rd = air
time difference between 1st and 2nd sound = t_2 - t_3 = 0.07905 - 0.02131 = 0.05773 sec
A 75kg bicyclist (including the bicycle), initially at rest at the top of a hill, coasts down the hill, reaching a speed of 14.6m/s at the bottom of the hill. The distance and height of the hill are shown. Neglect any friction impeding the motion and the rotational energy of the wheels. List the energy types at the initial and final time and whether work and loss (due to non-conservative forces) occur as well as the corresponding amounts of energy.
The energy type at the initial time is potential energy and the energy at the final time or position is kinetic energy.
What is the law of conservation of energy?The law of conservation of energy states that energy can neither be created nor destroyed but can be transformed from one form to another.
Based on the law of conservation of mechanical energy, the formula for the change in the kinetic energy and the potential energy of the bicyclist is given as;
K.Ei + P.Ei = K.Ef + P.Ef
where;
K.Ei is the initial kinetic energy of the bicyclistK.Ef is the final kinetic energy of the bicyclistP.Ei is the initial potential energy of the bicyclistP.Ef is the final potential energy of the bicyclistThe kinetic energy of the bicyclist increases with increase in the velocity of the bicyclist while the potential energy increases with increase in the height of the bicyclist.
At the initial position when the bicyclist is at rest, the kinetic energy is zero, so the only energy at the initial position is potential energy because the height is maximum.
In addition, at the final position, the velocity of the bicyclist is maximum and the height is zero, so the only energy at the final position is kinetic energy.
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Which of the following is a negative affect of palm oil farming related to biodiversity?
Question 2 options:
Palm oil is poisonous to local animals, causing many deaths.
Planting palm oil plantations removes essential nutrients from the soil.
Planting palm oil plantations means cutting down natural rainforests.
Palm oil farming has no negative effects on biodiversity.
Answer:
The main facts about palm oil
Here are the main facts why palm oil plantations are harming the environment: They release massive amounts of CO2 in the air as rainforests are cleared. Rainforests' soils hold about 45% of the world's terrestrial carbon, cutting them down is like releasing a carbon bomb.The production of palm oil can result in land grabs, loss of livelihoods and social conflict, and human rights are often violated on plantations. The resulting conflicts have had a significant impact on the social welfare of many. Read more. Palm oil is one of the most profitable land uses in the tropics.Explanation:
The main facts about palm oil
Here are the main facts why palm oil plantations are harming the environment: They release massive amounts of CO2 in the air as rainforests are cleared. Rainforests' soils hold about 45% of the world's terrestrial carbon, cutting them down is like releasing a carbon bomb.The production of palm oil can result in land grabs, loss of livelihoods and social conflict, and human rights are often violated on plantations. The resulting conflicts have had a significant impact on the social welfare of many. Read more. Palm oil is one of the most profitable land uses in the tropics.A shopper in a supermarket pushes a cart with a force of 35 N directed parallel to the ground. Find the work done by the shopper on the cart as the shopper moves along a 50.0 m length of aisle.
Answer:
W = 1750 N
Explanation:
Given that,
A shopper in a supermarket pushes a cart with a force of 35 N directed parallel to the ground.
We need to find the work done by the shopper on the cart as the shopper moves along a 50.0 m length.
Let W is the work done. As the force is parallel to the ground, angle between force and distance is 0 degrees.
W = Fd
W = 35 N × 50 m
= 1750 N
So, the work done by the shopper on the cart is 1750 N.
How are speed and velocity similar?
Answer:
Speed and velocity are related in much the same way that distance and displacement are related. Speed is a scalar and velocity is a vector.
Can u anser 5,6 on the picture
Answer: Number 6 is Periods
Explanation:
Two identical peaches, Peach 1 and Peach 2, fall from a cliff at time t=0t=0t, equals, 0 from the same height. Peach 1 is dropped from rest, while Peach 2 is thrown horizontally.
Which graph best describes the vertical displacement of Peach 1 and 2 over time?
Assume the origin of the coordinate system to be the cliff edge.
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
A graph is shown with the vertical axis labeled y and the horizontal axis labeled t. Two lines both start at the origin and slope downwards to the right. The solid line is straight while the dashed line has downward concavity.
(Choice B)
B
A graph is shown with the vertical axis labeled y and the horizontal axis labeled t. Two lines both start at the origin and slope downwards to the right. The dashed line is straight while the solid line has upward concavity.
(Choice C)
C
A graph is shown with the vertical axis labeled y and the horizontal axis labeled t. Two lines both start at the origin and slope downwards to the right with downward concavity. Both lines are coincident.
(Choice D)
D
A graph is shown with the vertical axis labeled y and the horizontal axis labeled t. Two lines both start at the origin and slope downwards to the right with downward concavity. The solid line is shallower than the dashed line.
(Choice E)
E
A graph is shown with the vertical axis labeled y and the horizontal axis labeled t. Two lines both start at the origin and slope downwards to the right with upward concavity. The dashed line is shallower than the solid line.
Report a problem
4 of 9
Answer: The correct answer is graph A.
Explanation:
See Khan Academy.
Answer: it C
Explanation:
Studying energy involves determining the amount of energy an object has. This energy can be kinetic or potential, or it could be a combination of both. Consider a 2-kg bowling ball sits on top of a building that is 40 meters tall. It falls toward the ground. Think about the amounts kinetic energy the bowling ball has as it falls, select the when the ball would have the most kinetic energy from the choices given.
Answer: the answer is a
Explanation: I got it correct on test
Answer:
as it is halfway through the fall and it has reached a speed of 19.8 meters per second
Explanation:
Studying energy involves determining the amount of energy an object has. This energy can be kinetic or potential, or it could be a combination of both. Consider a 2-kg bowling ball sits on top of a building that is 40 meters tall. It falls toward the ground. Think about the amounts kinetic energy the bowling ball has as it falls, select the when the ball would have the most kinetic energy from the choices given.
A steel rod has a diameter of 3.75cm.Express it's diameter in millimeters and meter
Answer:
3.75cm into millimetres
= 3.75 * 10
37.5 millimetres
3.75 cm into metres
3.75/100
= 0.0375m
A basketball player jumps straight upward. After 0,625 s, she is 0.441 m above the ground. What is her initial velocity?????????
Answer:
v₀ = 3.77 [m/s]
Explanation:
This problem can be solved in a simple way by means of the following equation of kinematics.
[tex]y=y_{o}+v_{o}*t+\frac{1}{2}*g*t^{2}[/tex]
where:
y - yo = 0.441 [m]
Vo = initial velocity [m/s]
g = gravity acceleration = 9.81 [m/s²]
t = time = 0.625 [s]
[tex]0.441 = v_{o}*(0.625)-\frac{1}{2} *9.81*(0.625)^{2} \\2.357 = v_{o}*0.625\\v_{o}=3.77[m/s][/tex]
Note: The sign of the acceleration is negative since the movement of the basketball player is against of the gravity acceleration.