Answer:
i think the answer is C
Explanation:
Answer:
C
Explanation:
A 20 kg rock is on the edge of a 100 meter cliff. What is the
potential energy of the rock and if the rock falls off the cliff,
what is its kinetic energy just before striking the ground?
a 361.4 kJ
b 1kJ. 1 kJ
C 19.6 kJ, 19.6 kJ
d 10 kl. 5.5 ku
Potential energy is 19.6 kJ and kinetic energy is 19.6 kJ.
What is energy?Energy is the ability or capability to do tasks, such as the ability to move an item (of a certain mass) by exerting force. Energy can exist in many different forms, including electrical, mechanical, chemical, thermal, or nuclear, and it can change its form.
potential energy = mgh = 20*9.8*100 = 19.6 KJ
At the lowest point all potential energy is converted into kinetic energy so kinetic energy = 19.6 KJ.
Potential energy is 19.6 kJ and kinetic energy is 19.6 kJ.
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A child’s toy rake is held so that its resistance length is 0.85 meters. If the mechanical advantage is 0.43, what is the effort distance? plz
Answer:
1.28
Explanation:
In the text box below, explain how the periodic table is organized. Be sure to use the following terms within your description: atomic number, protons, group(s), period(s), energy level(s), valence electron(s). Be sure to highlight each of these terms as you use them.
Answer:
The periodic table is arranged by atomic weight and valence electrons. These variables allowed Mendeleev to place each element in a certain row( called a period) and column( called a group). The table comprises seven rows and 18 columns.
Explanation:
Hope this helped :) This is just an introduction because there was no specified word limit.
What do we call the area of a solar eclipse where the Moon covers the Sun, but the outline of the Sun can still be seen?
Penumbra
Umbra
Antumbra
Plz help me I'll mark you brainliest
The diagram shows the forces acting on a cart.
Which statement correctly describes the motion of the cart at this point in time?
A) The velocity is remaining constant because forces F1 and F2 are balanced, and both of these two equal forces are perpendicular to the velocity.
B) The speed of the cart is increasing because forces F1 and F2 are balanced, and both of these two equal forces are perpendicular to the velocity.
C) The speed of the cart is decreasing because forces F4 and F3 are unbalanced, and the greater of the two forces is acting in the opposite direction of the velocity.
D) The direction of the velocity is changing because forces F4 and F3 are unbalanced, and the greater of the two forces is acting in the opposite direction of the velocity.
Answer:
c) the speed of the cart is changing
Which statement is not part of the cell theory?
A. Cells are the basic unit of structure and function in all living things.
B. Animal cells are generally more complex than plant cells.
C. All living things are composed of cells.
D. All cells are produced from other cells.
Answer: the answer is b
give a ghost story fit for a teen
Answer: ok so this is a true story when i was little and i always like telling story's so here it is...
Explanation: when i was little i had parents that weren't as good and our house was like scary and it had spiders and i was always scared of them so for Christmas me and my 2 sisters got a doll like a American doll and we got princesses and so my older sister Alexis got Cinderella and my other sister heaven she was the second oldest and she got the little mermaid Ariel and i got belle beauty and the beast and so it was getting late and so me and my sister heaven went to put our dolls away in a box and my sister Alexis wanted to put hers in our room we all share a room and a bed and so she decided to put it on this little princess make up dressing table(i found an image that what it kind of looked like ig) siting down and so everyone was sleeping except my older brother he was the oldest and so he wanted to tell my sister Alexis something and our room door was cracked open and before he went to check on her the doll moved and stand up and when down on the floor and walking in circles and my brother saw it and the doll stopped and the dolls head turned facing him and just drooped and so he ran in his room and stayed up all night till someone else woke up soo yea he never liked dolls never and now thats it i know it took ling but yea
14 Explain How do you think the three-story-high
ripple marks shown here were formed?
Answer:
Ripple marks are caused by water flowing over loose sediment which creates bed forms by moving sediment with the flow. Bed forms are linked to flow velocity and sediment size, whereas ripples are characteristic of shallow water deposition and can also be caused by wind blowing over the surface.
Explanation:
Some scientists believe that:
minerals can cause enough pressure on land masses for folding faulting
moving magma can cause enough pressure on land masses for faulting
freezing can cause enough pressure on land masses for faulting
erosion can cause enough pressure on land masses for faulting.
PLEASE ANSWER RIGHT I'M IN A TEST
answer:
minerals have alot to deal with pressure and the moving of land masses and erosin is common when the land moves
Explanation:
Organism would make the best index fossil. Answers a , b , c , d please help
Answer: You didn't put what a, b, c, or d is so how is anyone supposed to know what the answer is?
ILL GIVE YOU BRAINIEST PLEASE ANSWER!!!! QUICKKKK
the earth is unevenly heated at different latitudes due to the curvature of the earth. this uneven heating leads to large currents that drive weather patterns around the globe.
A. Radiation
B. conduction
C. convection
The uneven heating leads to large currents that drive weather patterns around the globe because of Radiation. Hence, option A is correct.
What is Radiation?Heat radiation is the process by which heat is transferred from one body with a high temperature to another with a lower temperature when the two bodies are not in close proximity to one another or are separated by space.
Due to the rotational and vibrational motion of its molecules and atoms, all physical substances, whether they are solid, liquid, or gaseous, can radiate energy through a process known as electromagnetic radiation. Depending on the body's temperature and the surface's makeup, this energy flux can vary in intensity. At all temperatures, radiation is present, and as the temperature rises, so does the rate of emission.
Hence, it proves that option A is the correct answer.
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what is this please please please help me out
Answer: the answer is -4,3
Explanation: hope this helps :)
Brandon has a Nissan GTR. He drives 198.5 miles in 2.3 hours. What is his average speed?
a student pressing two flat pieces of clay together, causing the clay to rise up at the boundary
A student has made a simple clay model that shows the motion of one type of plate boundary.
Part A
Which type of plate boundary is the student modeling? Explain your answer.
Answer:
the student is modeling a convergent plate boundary. The image shows the plates colliding to form a mountain-like structure
Explanation:
My cousin took the exam
Where is the location of an earthquake's epicenter?
Explanation:
The center of the circle will be the location of your seismograph the epicenter of the earthquake is somewhere on the edge of that circle
pls help aspappppppp
Answer:
Im pretty sure its D
Explanation:
Answer:
Explanation:
A.
Law of Conservation States
a
An object in motion stays in motion unless an outside force acts upon it
b
Force = mass x acceleration
c
Energy is neither created or destroyed it just changes form
d
For every action there is a equal and opposite reaction
Your answer is option “C”
Pls dont answer for the points, please ligit help:)
Answer:
I don't get it??
Where the ocean is warm, the water may be saltier. why?
Answer:
Temperature and salinity deep waters are colder and saltier than the surface waters.
Explanation:Hope this helps if this doesn't sorry i couldn't explain better
NEED HELP NOW WILL GIVE BRAINLIEST
which three items are surface features of the sun A. sunspots B. solar flares C. radiation Zone D. Prominences
Answer:
B. solar flares sunspots, solar flares prominences
Explanation:
Some features of the Sun's surface include sunspots, solar flares, and prominences
pls mark me brainliest its the right answer