the SI unit of energy is the joule (J) . the joules has base units of kg•m^2/s^2=N•m. A joule is defined as the work done or energy required to exert a force of one Newton for a distance of one metre.
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discuss the three consequences of lack of basic services in community
We have that the Three consequences of lack of basic services in community are
-Educational Impact
-Insecurity
-Poverty
Lack of basic services in community
There are many consequences that result from the lack of basic services in a community but i shall focus on these three as they are very major impacts
-Educational Impact
Basic service like Water,Electricity ,Mobility and close Proximity to market place has a major impact on the ability of a person pursue educational attainments.we live in a modern world and without power(as) electricity we can not do much of studying in this times
-Insecurity
The Human mind is built with a default setting of Survival.Without the basic services provide persons of low moral will tend to go into illegal acts to survive as the basic needs are necessary for survival
-Poverty
For a community to grow it is necessary that the right environment is made available for growth and if these requirements are not meet in form of basic services in community the community falls under the threat of falling into poverty
In conclusion
The Three consequences of lack of basic services in community are
-Educational Impact
-Insecurity
-Poverty
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What is the potential energy of a rock that weighs 10.0 kg and is sitting on top of a hill 100 meters high?l
Answer:
9800 J
Explanation:
P.E = mgh
m = massg = gravitational accelerationh = heightP.E = (10.0)(9.8)(100) = 9800 J
1) Calculate average speed (in meters/sec) if a golf cart runs 140 meters in 10 seconds
2) Calculate the average speed in km/hr of Charlie who runs to the store 4km away in 30 mins
3)calculate the distance in km that Charlie runs if he maintains the average speed from question 2 for 1 hour
4) a bicycle rider travels 50.0km in 2.5 hours. What is the cyclists average speed?
5)what is the average speed ( in mph) of the car that traveled a total of 200 miles in 5.5 hours
Answer:
Your father has just built a new house for the family. Write a letter to your either brother who lives abroad describing the new house and the prestige has accorded your family
A cyclist travels at 15 m/s during a sprint finish. What is this speed in km/h
Answer:
54km/hr
Explanation:
Since we have to complete m/s to km/h.
we can simply divide the m/s by (5/18)
so we get 54km/hr
If a taxi cab travels 45.8 m/s for 146 s, how far did it travel?
Your Answer:
Answer:
6.68 km
Explanation:
distance = speedxtime
45.8 x 146
6686.6 m
Bill and Amy want to ride their bikes from their neighborhood to school which is 14.4 kilometers away. It takes Amy 40 minutes to arrive at school. Bill arrives 20 minutes after Amy. How much faster (in meters/second) is Amy’s average speed for the entire trip?
Answer:
Hey mate....
Explanation:
This is ur answer....
The image attached is the answer....Hope it helps!
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How can radio waves & microwaves communicate over similar distances?
A car starting from rest accelerated at a rate of 0 .5 m/s up to 2 km what would be the final velocity of the car and how much time would it take to cover 1.6
Using third equation of kinematics
[tex]\\ \rm\longmapsto v^2=u^2+2as[/tex]
[tex]\\ \rm\longmapsto v^2=0^2+2(0.5)(1.6)[/tex]
[tex]\\ \rm\longmapsto v^2=1.6[/tex]
[tex]\\ \rm\longmapsto v=\sqrt{1.6}[/tex]
[tex]\\ \rm\longmapsto v=0.4m/s[/tex]
Now using 1st equation of motion
[tex]\\ \rm\longmapsto v=u+at[/tex]
[tex]\\ \rm\longmapsto t=v-u/a[/tex]
[tex]\\ \rm\longmapsto t=\dfrac{0.4-0}{0.5}[/tex]
[tex]\\ \rm\longmapsto t=\dfrac{4}{5}[/tex]
[tex]\\ \rm\longmapsto t=0.8s[/tex]
Answer:
Using third equation of kinematics
[tex]\begin{gathered}\\ \rm\longmapsto v^2=u^2+2as\end{gathered}[/tex]
⟼v
2
=u
2
+2as
[tex]\begin{gathered}\\ \rm\longmapsto v^2=0^2+2(0.5)(1.6)\end{gathered}[/tex]
⟼v
2
=0
2
+2(0.5)(1.6)
How many electrons can carbon accept from other atoms while bonding? (1 point)
two
six
eight
four
Answer: Four electrons
Explanation:
The number of electrons that can be accepted by carbon from other atoms while bonding is four. The correct option is D.
What is chemical bonds?A chemical bond is what holds atoms in molecules together. Electrostatic forces between positively charged atomic nuclei and negatively charged electrons, the positions of which in space are determined by quantum mechanics, generate bonds.
Atoms form chemical bonds to strengthen their outer electron shells. The chemical bonding type maximizes the stability of the atoms that form it.
Carbon forms covalent bonds with other elements or carbon atoms. Carbon compounds are extremely diverse, with sizes ranging from one to thousands of atoms.
Because carbon has four valence electrons, it can form four covalent bonds to achieve a full outer energy level.
Thus, the correct option is D.
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While on a scavenger hunt, a student walks 500 m north, 200 m east, 300 south and finally 400 m west What is the net displacement and direction of the student?
Answer:
282.84 m toward Northwest
Explanation:
d = √(500-300)² + (400-200)²
=√(200²+200²)
= √(40000+40000)
= √ 80000
= 282.84 m
direction => Northwest
-
[tex]d = \sqrt{(500 - 300)^2 + (400 - 200)^2 } [/tex]
[tex]d = \sqrt{200^{2} + 200 ^{2} } [/tex]
[tex]d = \sqrt{40.000 \times 2} [/tex]
[tex]d = \sqrt{80.000} [/tex]
[tex]d \approx 282,84 m[/tex]
The same 200 N force acts on an area greater than 2m2.
What happens to the pressure?
the pressure is (200 N)/(10 cm2)×(100 cm/M)2=200,000 pa
Which structure defines the sulfhydryl functional group?(1 point)
SOH
OH
SH
SH2
Answer:
the correct answer is
"SH"
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have a great day ahead :)
The sulfhydryl functional group is shown by -SH.
The sulfhydryl functional group is known by several other names such as; thiol, mercapto or sulfanyl.
The sulfhydryl functional group has the structure -SH. The sulphur atom bears two lone pairs which is also important in studying the chemistry of this functional group.
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Two forces P and Q acting at a point at an angle have their resultant
(2n + 1)√P2 + Q2 and when at an angle (90° - ),the resultant is(2n - 1)√P2 + Q2.
Show that tan = (n - 1)/( n + 1).
Answer:
Answer is given in this paper.
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A crane can lift 5000 kg mass to the height 10m in 10 sec. What is its power?
Answer:
49.050 KW
Explanation:
work done = PE
= mgh
=5000×9.81×10
=490500J
power = workdone/Time taken
= 490500/10
= 49050 watts
= 49.050kW
9. A train is moving with the velocity of 45 km Ihro The osives applies brace and the train gets stopped in 6 second. Now, calculate as distance covered by the train before coming to
the rest.
How do you use a Beam Balance???
Your answer is in the attachment . Hope this helps.
Humans have been on the Moon, so why haven’t humans visited any other planets in the solar system?
Answer
Its because of the atmospheric pressure that may crush the humans
Explanation:
what is 342 m/s in kilometers per hour?
Answer: 1231.2 km/h
Explanation: 342 x 3.6 ( because 1 m/s equal 3.6 km/h)
You have 50L of water, it froze. So find its new volume. Density of water is 1000kg/m^3 or 1kg/L, density of ice is 920kg/m^3 or 0.92kg/L.
Answer:
D (density) = Mass / Volume
V (ice) = Mass / Density = 50000 g / .92 kg / L
V = 50 kg / .92 kg / L
1 Liter of water weighs 1 kilogram = 50 L weighs 50000 g
V = 54.3 L the mass does not change upon the change of phase (freezing)
the right-hand tube of the manometer is open to the atmosphere. The pump has been operated so that the mercury levels differ, as shown, by 250 mm. The density of mercury is 13 600 kg / m3. i) Calculate the pressure, in Pa, due to the 250 mm column of mercury.
Answer:
P(ressure) = d g h = density * gravity * height
P = 13600 * 9.8 * .25 = 33,300 Pa
Check: 1 atm = 76 cm = 760 mm height = 1.01 * 10E5 Pa
h = 1.01 * 10E5 / 9.8 * 13600 .758 m = 758 mm for 1 atm
250 / 758 = 1/3 atmosphere = 33,700 Pa close enough for estimates
(the pressure requested is 1/3 atmosphere where 1 atm = 760 mm Hg)
Which acid-base chemical reaction is irreversible?(1 point)
weak acid added to water
strong acid added to water
water on its own
weak base added to water
An irreversible reaction is a reaction that tends to completion. When a strong acid added to water, the reaction is irreversible.
In chemistry, a reaction may be reversible or irreversible. In a reversible reaction, the reaction could move forward or backwards. An irreversible reaction only tends towards completion. It doesn't goes in the reverse direction.
When a weak acid or base is added to water, the reaction is reversible because the substance does not ionize to a large extent in water and the equilibrium position may lie towards the far left. However, a strong acid or base achieves 100% ionization in water hence the reaction is irreversible.
Therefore, when a strong acid added to water, the reaction is irreversible.
https://brainly.com/question/1515003
Answer:
1. strong acid added to water
2. The dissociation constant for hydrochloric acid is greater than the dissociation constant for acetic acid.
3. HA, HC, HB
4. decreasing the concentration of OH– ions
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Convert: 110 km/h to m/s
Answer:
30.5555556 m/s
You can write like "30.56 m/s".
Answer:
Below
Explanation:
You can convert km/h to m/s by dividing the value by 3.6
110 km/h / 3.6 = 30.5556 m/s
*not sure if your teacher wants you to round to sig figs for this but here it is anyways. Because 110 has 2 sig figs it would be :
31 m/s
Hope this helps! Best of luck <3
A 12.0 V battery has as 80.0 Ohm
resistor attached. How much
current flows through the circuit?
(Unit = A)
Using ohms law
[tex]\\ \sf\longmapsto \dfrac{V}{I}=R[/tex]
[tex]\\ \sf\longmapsto I=\dfrac{V}{R}[/tex]
[tex]\\ \sf\longmapsto I=\dfrac{12}{80}[/tex]
[tex]\\ \sf\longmapsto I=0.15A[/tex]
Name the component that the resistance decreases as the current increases.
Answer:
LDRs and thermistors
Light dependent resistors or LDRs are made of semiconductor material. Their resistance decreases as the light intensity increases. ... Their resistance decreases as the temperature increases.
what is gravitational ? what are the factors that affect gravition ? witre the SI unit of gravition
The gravitational force is a force that attracts any two objects with mass. Two major factors, mass and distance, affect the strength of gravitational force on an object.Newtons kg-2 m2 is it's SI unit.
ram takes 2 minutes to cover a distance of 600 meter. calculate his speed
hey plz solve this question I will mark as the brillianest plzzzzzzzzzzzzzzzzzzzz
Explanation:
I hope it helped U
stay safe stay happy
true or false
the bounciness of a ball changes with temperature
true
false
Answer:
False
Explanation:
This depends on how much air is in the ball, I think
PLEASE HELP
A 2.80 kg mass is dropped from a
height of 4.50 m. Find its kinetic
energy (KE) when it is 3.00 m
above the ground.
Answer:
41.16J
Explanation:
m =2.8 kg
h1 = 4.5 m
h2 = 3 m
PE at top = mgh1= 4.5mg
PE at 3 m = mgh2= 3mg
energy is conserved los in PE = gain in KE
KE at 3 m above the ground
= mg(4.5 - 3) J
= 2.8 kg*9.8m/s^2*1.5 m
= 41.16 joules
Answer: 42 m/s
Explanation:
m=2.8 kg , V1=0 m/s , h1=4.5 m , h2=3 m , V2=? m/s
E1 = E2 >>> K1 + U1 = K2 + U2
Kinetic Energy (KE) = K = [tex]\frac{1}{2}[/tex] m [tex]V^{2}[/tex] Potential Energy (PE) = U = mgh
[tex]\frac{1}{2}[/tex] m [tex]V1^{2}[/tex] + mg[tex]h_{1}[/tex] = K2 + mg[tex]h_{2}[/tex] >>> V1=0 >> K1=0 >>> K2 = -mgΔh
K2 = 2.8 kg × 10 m/s2 × 1.5 m = 42 m/s
What is Measurement?
Answer:
Measurement is a comparison of an unknown quantity with a known fixed quantity of the same kind. The value obtained on measuring a quantity is called its magnitude. Magnitude of a quantity is expressed as numbers in its units.Explanation:
measurement is necessary to express the amount or rate of any physical quantity
