Answer:
False
Explanation:
Because as soon as you hit the person, all of your "charge" you've created gets destroyed by forcing you to hit another object, and therefore cannot be charged.
Which of these organisms is connected to all other organisms in a food web?
carnivores
herbivores
scavengers
decomposers
Answer:
I want to say decomposers, because they break down plants that the herbivores eat, and they can also decompose the remains of a scavenger, herbivore, OR carnivore, that was killed and eaten by a carnivore, and maybe even found and eaten by a scavenger. I'm sorry if it's not correct, that's just what my brain has decided right now
Answer:
The answer is number 4. Decomposers
Explanation:
Hope this helps!!
You are trying to gain possession of the soccer ball. What position are you playing?
a. both offense and defense
b. neither offense or defense
c. offense
d. defense
Answer:
a
Explanation:
Answer:
it's d. Defense
defense
Explanation:
yes
The burning of wood in a campfire is which type of reaction?
A. Exothermic, because energy is absorbed from the surroundings
B. Endothermic, because energy is released to the surroundings
C. Exothermic, because energy is released to the surroundings
D. Endothermic, because energy is absorbed from the surroundings
define atmospheric pressure, prove that presence of atmospheric pressure with the help of an activity
the pressure exerted by the atmospheric air is called atmospheric pressure
Water of mass 100 g at a temperature of 100 °C is converted into steam at 100 °C. The specific
latent heat of vaporisation of water is 2300 J/g.
How much thermal energy is absorbed by the water?
0 230 000
0 23 000 000 J
0 230 J
O 23 J
Answer:
The thermal energy absorbed by the water is 230,000 J.
Explanation:
Given;
mass of the water, m = 100 g
The specific latent heat of vaporization of water, L = 2300 J/g
temperature of the steam, θ = 100 °C
The thermal heat capacity or thermal energy absorbed by the water is calculated as follows;
H = mL
H = 100g x 2300J/g
H = 230,000 J
Therefore, the thermal energy absorbed by the water is 230,000 J.
Therefore
There is a bell at the top of a tower that is 45m high. The bell mass is 190. Calculate its potential energy.
Answer:
83790 J.
Explanation:
Potential Energy: This can be defined as the energy possessed by a body, by vitue of it position in the gravitational field. The S.I unit of Potential Energy is Joules (J).
From the question,
P.E = mgh........................................... Equation 1
Where P.E = potential Energy of the bell, m = mass of the bell, h = height of the tower, g = Acceleration due to gravity.
Given: m = 190 kg, h = 45 m.
Constant: g = 9.8 m/s²
Substitute these values into equation 1
P.E = 190×45×9.8
P.E = 83790 J.
Hence the potential energy of the bell is 83790 J.
Why is it important for someone to NOT stay bedridden for a long time after
fracturing a bone?
People living near wind farms sometimes object to them because of visual pollution and what other
form of pollution?
Answer:
Wind turbines are a source of clean renewable energy, but some people who live nearby describe the shadow flicker, the audible sounds and the subaudible sound pressure levels as "annoying." They claim this nuisance negatively impacts their quality of life
Another form of pollution in the farm is called noise pollution
Noise pollution is simply known as disturbing or elevated sound that constitute nuisance and affects the health and well-being of people.Noise pollution from farm includes animals making different sounds, sounds from farm machineries and farm equipment etc.Conclusively, we can say that another form of pollution in the farm is called noise pollution
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match the microscopes with their useable
Answer:
there is no question that I can use so sorry
Explanation:
but have a great day :D
A boy pushes his baby sister in a stroller that has a mass of 45,000 g. What is the acceleration on the stroller if the force is 65 N?
[tex]\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}[/tex]
Actually Welcome to the Concept of the Force.
Force = Mass * Acceleration.
here, Mass = 45 kg and Force = 65 N
hence, Acceleration = 65/45
===> Acc. = 1.44 m/s^2
hence the acceleration is 1.44 m/s^2
need help due in 30 mins
Answer:
1. v₂ = 12.43 m/s
2. I₁ = - 80 N.s
3. I₂ = 80 N.s
Explanation:
Consider the following data given in the question:
m₁ = mass of the Cart 1 = 16 kg
m₂ = mass of the Cart 2 = 7 kg
u₁ = velocity of cart 1 before collision = 4 m/s
u₂ = velocity of cart 2 before collision = 1 m/s
v₁ = velocity of cart 1 after collision = - 1 m/s
v₂ = velocity of cart 2 after collision = ?
1.
Applying the law of conservation of momentum:
[tex]m_{1}u_{1} + m_{2}u_{2} = m_{1}v_{1} + m_{2}v_{2}\\(16\ kg)(4\ m/s)+(7\ kg)(1\ m/s)=(16\ kg)(-1\ m/s)+(7\ kg)(v_{2})\\v_{2} = \frac{87\ kg.m/s}{7\ kg}[/tex]
v₂ = 12.43 m/s
2.
Impulse of cart 1 = I₁ = m₁(v₁ - u₁)
I₁ = (16 kg)(- 1 m/s - 4 m/s)
I₁ = - 80 N.s
3.
Impulse of cart 2 = I₂ = m₂(v₂ - u₂)
I₂ = (7 kg)(12.43 m/s - 1 m/s)
I₂ = 80 N.s
in of the Solar System
When the ancient Greeks looked at the night sky they noticed that some points of light seem to wander" in the sky
Which term do we use for these wanderers today?
nebulae
moons
stars
1 planets
2 moons
3 stars
4 Planets
Answer:
stars #3
Explanation:
they didn't know it was stars
USE THE PICTURE THANKS WILL GIVE B WRONG ANSWER=report lol love ya
Answer:
I would have to say B THe su would rise in the west and set in the east But this is just a guess
pls answer if u know the answer ^w^ thx!
Friction _____.
A) is always and unwanted force
B) works in the opposite direction of motion
C) causes machines to work 100 percent efficiently
D) can be increased using lubricants, like oil
Answer:
works in the opposite direction of motion
How can you use a screen to
determine whether an image is real or virtual?
____________ is maintaining stable conditions inside the body
Can someone help me pls!!
Answer:
Decelerating
Explanation:
One arrow is moving it forward but the other arrow is using more force to move it backwards causing it to have a reduction in speed.
Clayton tries to build an electric circuit using a battery, a light bulb, a paper clip, and copper wire. The diagram below shows what he builds.
Which claim best explains why the circuit would not conduct electricity?
a. The circuit lacks a power source.
b. The circuit is not a complete loop
c. The light bulb uses the electric current.
d. The paper clip stops the electric current.
Answer: letter B
Explanation:
As you can see the battery only has one wire connected to it thus not a complete loop
its b trust me man ;oih wrio'weioa'yher
The name of C (S) + o2 (g) CO2 (g)
Answer:
carbon + oxygen → carbon dioxide
1. A wave with a frequency of 10 Hz has a wavelength of 3 meters. At what
wave speed will this wave travel?
Answer:
30 m\ s Ans .....
Explanation:
Data:
f = 10 Hz
w = 3 m
v = ?
Formula:
v = fw
Solution:
v = ( 10)(3)
v = 30 m\ s Ans ........
Describe the importance of conservative forces to conservation of energy.
Answer:
IF a force is conservative, it is possible to assign a numerical value for the potential at any point and conversely, when an object moves from one location to another, the force changes the potential energy of the object by an amount that does not depend on the path taken, contributing to the mechanical energy and the .
Explanation:
The price of a television was reduced from
$250 to $200. By what percent was the price
of the television reduced?
Answer:
20%
Explanation:
How much force is applied if a 130 kg mass is accelerated at 5 m/s^2
Answer:
650N
Explanation:
f = ma
130kg x 5 m/s^2 = 650N
A net force accelerates a 60 kilogram cart at a rate of 0.5 m/s². What is the magnitude of the force?
Answer:
13
Explanation:
34
give one
excemple where friction is a
hindrance
1) In machines, efficiency reduces due to friction has energy may be lost as heat. 2) When one falls and slides over rough surface like cement, then the injury caused is more.
The wavelength of a sound wave is 30 m. The frequency is 7 Hz. What is the wave speed?
210 m/s
4.29 m/s
Answer:
210m/s
Explanation:
To find the speed of wave you need to multiply the wave length with the frequency.
WILL GIVE YOU WHAT EVER YOU WANT JUST HELP ME
Which of the following best compares the structures in protists and fungi that allow these organisms to explore their environment.
Question 2 options:
Protists and fungi move using cilia, flagella, and hyphae.
Some protists move using cilia and flagella. Fungi do not move but have fast growing hyphae.
Protists move using hyphae. Some fungi move using cilia, and flagella.
Neither protists nor fungi have cilia, flagella, and hyphae. They obtain energy only if the food source moves by them.
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Answer:
Explanation:
Essential Knowledge
It is essential that the student be able to distinguish between specialized structures that allow protists and fungi to obtain energy and explore their environment.
Protists
Protists are organisms that are classified into the Kingdom Protista. Although there is a lot of variety within the protists, they do share some common characteristics.
● Protists are usually single celled organisms.
● Live in moist environments.
● Vary in the ways they move and obtain energy.
Protists obtain their energy in several ways.
● Animal-like protists ingest or absorb food after capturing or trapping it.
● Plant-like protists produce food through photosynthesis.
● Fungus-like protists obtain their food by external digestion either as decomposers or as parasites.
● Some protists have both autotrophic and heterotrophic characteristi
The one which best compares the structure in protists and fungi that allow these organism to explore their environment is option B. Some protists move using cilia and flagella. Fungi do not move but have fast growing hyphae.
What are moving aids in protists and fungi ?Protists are the eukaryotes that are not considered to be either fungi, animals, or plants. They are mainly tiny and unicellular. Many unicellular protists are motile and can move by employing flagella, cilia, or pseudopods, especially protozoans.
Cells that employ cilia for movement are typically referred to as ciliates, whereas those that use flagella are typically referred to as flagellates.
In marine, brackish, and freshwater reservoirs, hundreds of species of the ciliate genus Paramecium or flagellated Euglena can be found; the green alga Chlamydomonas is found in soil and freshwater all over the world.
Due of their inability to move, fungi produce spores that resemble seeds. These spores spread by the wind, animals, etc., and seek out new environments to flourish.
As the primary means of vegetative growth in the majority of fungi, hyphae are referred to as a mycelium. Therefore, option B is correct.
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If unbalanced forces act on an object, how will it move?
A.It will accelerate in the direction of the net force.
B.It will accelerate in the opposite direction of the net force.
Answer:
A
Explanation:
The compass is a small bar magnet that’s free to spin. Based on what you observed, is the coil of wire with current passing through it a magnet?
Answer:
People have been aware of magnets and magnetism for thousands of years. The earliest records date back to ancient times, particularly in the region of Asia Minor called Magnesia—the name of this region is the source of words like magnet. Magnetic rocks found in Magnesia, which is now part of western Turkey, stimulated interest during ancient times. When humans first discovered magnetic rocks, they likely found that certain parts of these rocks attracted bits of iron or other magnetic rocks more strongly than other parts. These areas are called the poles of a magnet. A magnetic pole is the part of a magnet that exerts the strongest force on other magnets or magnetic material, such as iron. For example, the poles of the bar magnet shown in Figure 20.2 are where the paper clips are concentrated.
A bar magnet with paper clips attached to it.
Figure 20.2 A bar magnet with paper clips attracted to the two poles.
If a bar magnet is suspended so that it rotates freely, one pole of the magnet will always turn toward the north, with the opposite pole facing south. This discovery led to the compass, which is simply a small, elongated magnet mounted so that it can rotate freely. An example of a compass is shown Figure 20.3. The pole of the magnet that orients northward is called the north pole, and the opposite pole of the magnet is called the south pole.
Answer:
Yes, the coil of wire with current passing through it is a magnet.
Explanation:
What is the energy required to change 600g of liquid into steam if the specific heat latent is 4000 J/kg
Answer:
2400 J
Explanation:
Latent heat: This is also called hidden heat, it is the heat that is not detectable by the thermometer.
From the question,
Q = cm.................. Equation 1
Where Q = Energy, c = specific latent heat of the liquid, m = mass of the liquid.
Given: c = 4000 J/kg, m = 600 g =( 600/1000) kg = 0.6 kg
Substitute these values into equation 1
Q = 4000×0.6
Q = 2400 J
Hence the energy required is 2400 J