Answer:
how long she can run how fast she can run
Marvin lifts a box over his head. The work done on the box is- -Negative work -No work -Positive work
Answer:
Positive work
Explanation:
When work and the exerted force are in the same direction, then the work done is positive.
In the question, we understand that Marvin lifts a box up (i.e. over his head). The force to lift the box acts in the upward direction and the work done itself is also in the upward direction (from the floor to Marvin's head).
Since these two are in the same direction, then we can conclude that the work done is positive.
A short horizontal line leads to a small circle, which then has a longer line point up at about 45 degrees. A gap in the horizontal line that led to the circle ends with another small circle and then a short horizontal line segment. In a circuit diagram, what does this symbol represent? a resistor a light bulb a battery a switch. and the answer is D!!!!!!
Answer:
the answer is D
Explanation:
Answer:
The answer is D
Explanation:
yes
Can anyone answer this science question NO LINKS !!!!
Answer:
it is certainly a as clearly a has the greater mass
Animals and plants in a food web are on each other for survival. A. dependent B. suspending OC. superintendent D. interdependent
A. dependent
This is the answer
why would your weight be different in space compared to on earth? please use mass and gravity in your explanation
If the mass of an object on earth is 18 grams, what would the mass of the same object be in the Moon
Answer:
18 grams
Explanation:
The mass of an object is the object's fundamental property. It is the amount or quantity of mater in the object. Irrespective of the object's location or the gravitational force applied on the object, the mass of an object remains the same. In other words, the mass of an object is the same everywhere.
The mass should however not be confused with its weight which depends on the mass and the gravitational force applied on it.
In summary, whether on earth or in the moon, the mass of an object remains the same. If the mass of the object is 18 grams on earth, it will also be 18 grams in the moon.
heyy! i’ll give brainliest please help
Answer:
the correct answer is option D or the last option
As a runner reaches the finish line, she pushes harder with her leg muscles and speeds up for the last few yards
Answer:
Newton's Second Law
Explanation:
The scenario explained above could be best described by Newton's Second Law.
Newton's Second Law state that when a net force is acted on an object, the force will lead to the acceleration of that object, such that force is equal to momentum change per change in time.
Hence, as the runner pushes harder with her leg muscles and speeds up for the last few yards, the speed is directly proportional to the force with which it pushes her leg muscles.
What Factor(s) determine the strength of an electric field between two objects?
A. The type of charge on the objects.
B. The amount of charge on the objects.
C. The distance between the objects.
D. B and C
Answer:
D. B and C
Explanation:
from the formular
[tex]E = \frac{kQ}{ {r}^{2} } [/tex]
Q: is magnitude or amount of charge.
r: is the separation distance.
What most likely causes water to change from the liquid state to a gas in the water cycle?
A. energy from gravity
B. energy from the Sun
C. energy from moving water
D. energy from the Earth's core
[tex] \huge \mathcal{Answer࿐}[/tex]
The factor which is responsible for the conversion of water in liquid state into gaseous state in the water cycle is :
[tex] \mathrm{\hookrightarrow Energy\:\: from \:\: Sun} [/tex]
_____________________________
[tex]\mathrm{ \#TeeNForeveR}[/tex]
What role does speed play in team sports like football, hockey, and soccer?
a) It increases a team member’s ability to maintain momentum throughout a game.
b) It helps the team share their abilities more evenly throughout the game.
c) It helps a team member reach the ball or goal before other players.
d) It allows a team’s players to throw the ball harder than the other team’s players.
Answer: A) It increases a team member’s ability to maintain momentum throughout a game.
Explanation: Team members from sports like football, hockey and soccer need to focus on their momentum because it helps maintain the team member's speed while catching, throwing, or kicking the ball at the right time and moment.
In what way are networks different from other types of electrical wiring?
Answer:
Networking cables are networking hardware used to connect one network device to other network devices or to connect two or more computers to share printers, scanners etc. Different types of network cables, such as coaxial cable, optical fiber cable, and twisted pair cables, are used depending on the network's physical layer, topology, and size. The devices can be separated by a few meters (e.g. via Ethernet) or nearly unlimited distances (e.g. via the interconnections of the Internet).
There are several technologies used for network connections. Patch cables are used for short distances in offices and wiring closets. Electrical connections using twisted pair or coaxial cable are used within a building. Optical fiber cable is used for long distances or for applications requiring high bandwidth or electrical isolation. Many installations use structured cabling practices to improve reliability and maintainability. In some home and industrial applications power lines are used as network cabling.
Explanation:
Im not sure, so nasa sa inyo if kokopyahin nio
ps: follow me later
At the top of a looped section of roller coaster track, the car and rider are completely upside down. Engineers calculated that the car may travel a minimum speed of 14.3 m/s to keep riders from falling out of the car at the top of the loop. What is the radius of the loop? 22.5 m 18.9 m 17.4 m 20.9 m
Answer:
m v^2 / R = m g where gravitational force provides centripetal force
R = v^2 / g = 14.3^2 m/s / 9.8 m/s^2 = 20.9 m
A diver is on a board 1.80 m above
the water. She jumps straight up
at 3.62 m/s.
What is her maximum height above
the water?
[?]m
Answer:
2.47
Explanation:
) Potential difference is the difference in electrical potential between two points. Which term can also be used to describe potential difference?
Answer:
It is also called voltage.
Explanation:
Voltage in a circuits can be define as difference between two points that enable it to push a charge or current in a conducting loop there by causing light. This can also be defined as the workdone that is required per unit of charge or current to cause a motion of a test charge between the two points.
Can anyone answer this question its a science question NO LINKS !!!!
Energy is the ability to do work or cause
change
friction
explosions
events
Answer:
change
Explanation:
Energy can be defined as the ability (capacity) to do work or cause change in a system.
The Law of Conservation of Energy states that energy cannot be destroyed but can only be transformed or converted from one form to another.
Energy is the ability to do work or cause change.
Basically, the various forms of energy are solar energy, electrical energy, chemical energy, thermal energy, wind energy, nuclear energy etc.
The two (2) main types of energy are;
a. Gravitational potential energy (GPE): it is an energy possessed by an object or body due to its position above the earth.
b. Kinetic energy (KE): it is an energy possessed by an object or body due to its motion.
Furthermore, the mechanical energy of a physical object or body is the sum of the potential energy and kinetic energy possessed by the object or body.
Mathematically, it is given by the formula;
Mechanical energy = G.P.E + K.E
what is the SI unit of acceleration?
Answer:
The SI unit of acceleration is m/s²
Answer:
The SL unit of mass is the kilogram.
Explanation:
Acceleration Is A Defend as the rate of change of velocity Velocity is a vector quanity and therefore acceleration is also a vector quanity The SL unit of acceleration is meters\seconds.
My auestion is !
Write the value and unit of gravitational constant G in SI units?
Give me a answer for a short question !
How much energy does it take to raise the temperature of 2kg water from 10 Celsius to 26 Celsius? The specific heat capacity of water is 4.18kj/(kg C).
Answer:
Q = 133.76 KJ
Explanation:
The amount of heat energy required to raise the temperature of the water can be calculated by the following formula:
[tex]Q = mC\Delta T[/tex]
where,
Q = Heat Energy Required = ?
m = mass of water = 2 kg
C = Specific Heat Capacity of Water = 4.18 KJ/kg°C
ΔT = change in temperature = 26°C - 10°C = 16°C
Therefore,
[tex]Q = (2\ kg)(4.18\ KJ/kg.^oC)(16^oC)[/tex]
Q = 133.76 KJ
Of the three experiments that are used to confirm the Big Bang theory, which is the most interesting to you and why? Use 5 or fewer sentences to explain your position.
Answer:
Large Hadron Collider
Explanation:
My favorite is the Large Hadron Collider. It is 16.6 miles and a new version is expected to be built that is 62 miles long. It is incredibly interesting to me how they are able to separate individual atoms and make them travel through the collider at light speed and then smash them into each other at these speeds. What's even more interesting is that on November 7 of 2010 they managed to create a mini-big bang that created temperatures a million times hotter than at the center of the Sun.
kinetic energy what is formula
What is the magnitude of the resultant of two forces 20 Newton and 15 Newton at 90 degrees to each other
Answer:
the magnitude of the resultant of two forces is 25 N.
Explanation:
Given;
first force, F₁ = 20 N
second force, F₂ = 15 N
the angle between the two forces, θ = 90⁰
The resultant of these two forces is obtained by applying Pythagoras theorem;
R² = F₁² + F²
Where;
R is the resultant force
R² = 20² + 15²
R² = 625
R = √625
R = 25 N
Therefore, the magnitude of the resultant of two forces is 25 N.
I WILL MARK BRAINLY BUT U NEED TO DO ALL 9 QUESTIONS KINETIC ENERGY LAB. What is your hypothesis (or hypotheses) for this experiment?
3. What methods are you using to test this for each) hypothesis?
Section II: Data and Observations
4. Locate the data and observations collected in your lab guide. What are the key results? How
would you best summarize the data to relate your findings?
Answer:
1.) The importance of the lab in this topic is to find how dense an object is, and if it can sink or float, and it is important to answer the question so you can find the mass and volume.
2.) My hypothesis for this experiment was that the more water in the water bottle would make the beanbag fly higher. Also the higher the bottle is dropped the further it would go.
3.) The methods that I used to test my hypothesis were dropping the bottle of water from a higher distance. Another method that I used to test my hypothesis was filling the bottle with more water, or dumping water out to make it heavier/lighter.
Explanation:
When beavers inhabit an area, they cut down trees and construct beaver dams, which slow the flow of rivers or streams. Which of the following variables is NOT going to change as a result of the long-term presence of beavers in an area?
F. the number of tree species in the area
G. the types of fish present in the river or stream
H. the amount of rainfall received in summer months
I. the amount of sunlight that reaches the forest floor
Answer: H
Explanation:
When beavers dam a stream they slow the movement of water. Behind the beaver dam, a pond of still water is formed. This pond is then colonized by animals and plants that typically live in lakes rather than streams.
Volcanoes are considered constructive because they
A. deposit lava.
B. cause erosion.
C.trigger earthquakes.
D.release gases.
Answer:Its A
Explanation:Volcanoes are both destructive and constructive forces. They are constructive because cooled lava is good for the soil. Volcanoes are destructive because the lava can start fires and burn things like houses, trees, and people.
Is there a way to approximate the distance from a black hole's singularity to it's event horizon ? If so, what formula is used to determine this distance?
Answer:
I suck d hun ok?
I don't know
What would happen to your blood in space without a spacesuit?
the blackbody curve for a star named Theta is shown below. What is the surface temperature of this star rounded to the nearest whole number
The image of the black body curve is missing, so i have attached it.
Answer:
T ≈ 3372 K
Explanation:
From the attached curve of the black star, if we trace the peak value of the wavelength from the graph, we will see that it is approximately 859.5 nm.
Thus; λ_peak = 859.5 × 10^(-9) m
From wiens law, we know that;
T•λ_peak = 2.898 × 10^(-3) m.K
Where T is surface temperature.
Plugging in the relevant values, we can find the temperature T
Thus;
T = (2.898 × 10^(-3))/(859.5 × 10^(-9))
T ≈ 3372 K
What is SI unit of pressure?
Answer:
pascal (Pa)
Explanation:
hope this helps!!! :D
pls mark brainliest!!
asap! plsss help i’ll give brainliest
Answer:
I think is 5 n north :)
Explanation: