What would be the mass of the ball described in the photo?

What Would Be The Mass Of The Ball Described In The Photo?

Answers

Answer 1

Answer:

- Mass of the ball = 45 Kg

Explanation:

velocity attained by the ball:

  Distance/time= 54/9 = 6m/s (meter per sec)

As work done on ball = distance * force applied

                                   = 54*15

                                   =   810 J            -----------------  (i)

acc. to the conservation of energy:

work done  = kinetic energy + potential energy

                  =  1/2*m*\(v^{2}\) + 0(as object is on ground)

                  = 1/2*m*\(6^{2}\)

                   = 1/2*36*m

                   = 18*m                      ------------------- (ii)

∵,(i) =(ii)

18*m = 810

m=810/18

m= 45kg


Related Questions

Describe a temperate climate

Answers

Answer:

Temperate climates are generally defined as environments with moderate rainfall spread across the year or portion of the year with sporadic drought, mild to warm summers and cool to cold winters.

Answer:

Temperate climates are generally defined as environments with moderate rainfall spread across the year or portion of the year with sporadic drought, mild to warm summers and cool to cold winters

Explanation:

What happens to a golf ball when it hits the wall in miniature golf?

The golf ball changes mass.
The golf ball changes size.
The golf ball changes weight.
The golf ball changes direction.

Answers

Answer:

I think the answer is " the goofball changes direction "

It’s the golf ball changes direction because when the ball hits the wall it causes kinetic energy and makes the ball go the opposite direction and loose some of its original speed

Compare and contrast acids and bases. Tell what happens when they are mixed together. (with reason)

Answers

Answer#2:

When mixed, acids and bases neutralize one another and produce salts, substances with a salty taste and none of the characteristic properties of either acids or bases.

Explanation:

Answer#1

Acids give off H+ (Hydrogen) ions in water; bases give off OH- (Hydroxide) ions in water. Acids generally taste sour due to the sour H+ ion; bases taste bitter due to the OH- ion; but they may have other tastes depending on the other part of the molecule. ... Acids have a pH less than 7 ; Bases have a pH greater than 7.

hypothesize how you think the process of making ice cream specifically relates to energy transfer

Answers

Answer:

https://engineering.oregonstate.edu/momentum/k12/july04/index.html

Explanation:

read that it will help u  (:

Because when u make ice cream u are using different things that contain energy

What two gases in the atmosphere do animals and plants need to breathe and grow?

Answers

Answer: Explanation:

Plants and animals each produce the gases that the other needs to live. Plants need carbon dioxide—people and other animals exhale carbon dioxide as a waste product. People and other animals need oxygen—plants produce oxygen during an important process called photosynthesis, which turns the sun's energy into nutrients.

Carbon Dioxide for plants and Oxygen for animals

The _______ is used to measure earthquake strength

Answers

Answer:

to measure the strength of an earthquake you could use the Mercalli scale

Explanation:

Hope this helps.

Answer:

"The Richter scale"

Explanation:

The richter scale is a measure of the strength of earthquakes, developed by Charles Francis Richter and presented in his landmark 1935 paper, where he called it the "magnitude scale".

Do nutrients cause seagrass to grow more in this area? If so, are both nitrogen and phosphorus equally important? Explain your answer.

Answers

Seagrasses are a vital part of the marine ecosystem..

Seagrasses are submerged flowering plants found in shallow marine waters, such as bays and lagoons and along the continental shelf in the Gulf of Mexico. A vital part of the marine ecosystem due to their productivity level, seagrasses provide food, habitat, and nursery areas for numerous vertebrate and invertebrate species. The vast biodiversity and sensitivity to changes in water quality inherent in seagrass communities makes seagrasses an important species to help determine the overall health of coastal ecosystems. Seagrasses perform numerous functions:

Stabilizing the sea bottom

Providing food and habitat for other marine organisms

Maintaining water quality

Supporting local economies

Foliation occurs when minerals are flattened by heat and pressure. this results in a layered or banded texture. What type of rock do you think is foliated?

Answers

Visible silicate minerals split into dark and light bands or lineations in a metamorphic foliation known as gneissic banding. Typically coarse and frequently folded, these grains. Gneiss is the name for a rock with this texture.

Foliated Metamorphic Rocks:
Some kinds of metamorphic rocks -- granite gneiss and biotite schist are two examples -- are strongly banded or foliated. (Foliated means the parallel arrangement of certain mineral grains that gives the rock a striped appearance.)

Describe 3 factors an engineer should take into consideration when choosing material for building the pipes in a pipeline

Gr. 8
Think it has something to do with Viscosity, Density, and Pressure but not sure what

Answers

Answer: 1. Material being transported 2. The temperature of the material being transported 3. How long the pipes will be there (lifespan)

Explanation: 1. - The pipe builder should consider the material being transported to choose the correct material of the pipes to use, so they last long and can hold the material.

2. - Similar to 1, the pipe builder should consider the temperature of the material to choose the correct material of the pipes to use, so the pipes don’t break and function properly.

3. - If the pipe builder uses a material that can hold the material, that’s great! If that material will last a short time, it would not work if the pipes were to be used for a long time.


The things you said before about viscosity, density, and pressure are also correct. The correct answers are mainly talking about factors of the material being used in the pipes.
hope this helped :)

Which item produces the magnetic field in the electromagnet?

Which item produces the magnetic field in the electromagnet?

Answers

The magnet produces a magnetic field. Item A makes the magnetic field in the electromagnet.

Explanation:

Item A is called a magnet. It has a North pole and a South pole. The electrons move from the North to the south poles, creating a magnetic force.

This Magnetic field creates a magnetic field around a magnet.

Answer: D

Explanation: it is made of metal which attracts the magnetic force field

A comet is cruising through the solar system at a speed of 50,000 kilometers per hour for 4 hours time. What is the total distance traveled by the comet during this time? SHOW YOUR WORK

Answers

Answer:

A comet is cruising through the solar system at a speed of 50,000 kilometers per hour for 4 hours time. What is the total distance traveled by the comet during this time?

✓ Distance = Speed * Time Distance = 50,000 * 4 Distance = 200,000 km. Hope this helps

Explanation:

(you can just say a color)

(you can just say a color)

Answers

Answer:

I think its red

Explanation:

divide the distance 8000 by the hours 10 to get 800

Answer:

Red.

Explanation:

If you divide the distance by the time, you will discover that the airplane traveled 800 miles per hour.

Pls mark Brainliest with the crown.

A meteor falls toward Earth's surface. Given that the acceleration due to
gravity is 9.8 m/s^2, what is the meteor's potential energy if it has a mass of 10
kg at an altitude of 400 m?
O A. 408 J
O B. 7,840,000 J
O C. 2J
O D. 39,200 J

Answers

Answer:

39,200J

Explanation:

just took the test

The meteor's potential energy if it has a mass of 10kg at an altitude of 400 m will be 39200 J

What is potential energy ?

Potential Energy that depend upon the relative position of various parts of system . It is an energy possessed by an object by virtue of its position or configuration.

mass(m)  = 10kg

g (acceleration due to gravity) = 9.8m/s^2

altitude(height (h)) = 400m

Meteor's Potential energy = m * g * h

                                           = 10 * 9.8 * 400 = 39200 J

correct option will be a) 39200 J

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Is this right?
What is true about wind?


Wind can be still.


Wind cannot cause things to move.


Wind can only be warm.


Wind is always safe.

Is this right?What is true about wind? Wind can be still.Wind cannot cause things to move.Wind can only

Answers

Answer: Wind can be still

Explanation:

1 If "wind cannot cause things to move" we would not have natural disasters like tornadoes or tsunamis.

2 "Wind can only be warm" is incorrect because the temperature in wind isn't defined.

3 "wind is always safe" Have you ever seen a tree fall? How did it fall? The wind.  

Wind can make nothing move or it can destroy everything

help me pls i need the answer

help me pls i need the answer

Answers

The answer is position 3 because the water is dence and it won’t go that far
It’s either one or three

Photosynthesis and respiration are best described as

1.Different names for the same reaction
2.Reactions that can only happen in plants
3.Reactions that are almost perfect opposites
4.Reactions that do not happen in living things

Answers

The answer is 3. Photosynthesis removes carbon dioxide while respiration puts back carbon dioxide
The right answer is 3- bcz respiration needs oxygen but photosynthesis wants co2

20 POINTS! ANSWER THE QUESTION NOT JUST FOR POINTS!
If you had a notebook and a pencil on the a table, what would happen if they were both to fall off
A. The mass of objects would be similar
B. Gravity would pull them to the ground.
C. The acceleration of these two objects would be different for both
D. Gravity would make the notebook fall sooner because it is heavier

Answers

Answer: b

Explanation:

If someone showed you two spheres of the same size but with different masses, say 1g and 10kg, and asked which would hit the ground first after being dropped from the Leaning Tower of Pisa, what would you say? If you’re like most people, you would say the 10kg sphere would hit the ground first. Aristotle said so too, and for 1,000 years everyone believed him. But doing the experiment would show you, besides a great view of Pisa, that in fact, both spheres hit the ground at the same time.This is exactly what Galileo did, showing the world that objects of different masses fall at the same rate. (This is also a good example of why it is important to do experiments yourself and not to just take someone else’s word for it.) To start understanding why Galileo was right, we need to understand the difference between several physics words that are often jumbled together and confused: mass, weight, speed, velocity, acceleration, and force.

3 ways how natural disasters impact environment.

Answers

1. When sewage treatment plants flood or debris reaches reservoirs and streams, the quality of the water is affected.

2. Storm surges cause beaches to shift and alter shape.

3. During flash floods, riverbanks erode.
Here’s my simple answer:

1.Buildings collapse
2.toxic gases release into the environment
3.disease

Suppose you move the free end of a rope up and down to create a wave. The rope is the medium How does the wave move in relation to the rope particles?

Answers

Answer:

the molecules in the rope move/vibration, vibrating the molecules around it and this vibrations we hear as sound , if you have any questions you can ask me.

The disturbance that transfers energy from place. Swimming the rope transfer of energy in the swing

Select the statement(s) that accurately characterize sound and light waves

sound and light wave are a repeating disturbance
Both sound and light waves need a medium to travel.
Sound and light travel in waves.
Sound and light waves carry energy.
Sound and light waves carry matter.

Answers

Answer:

All but number 5

Explanation:

A wave is a repeating disturbance or movement that transfers energy through matter or space, sound cannot travel through a vacuum and neither can light. light and sound travel in waves which is what makes them a repeating disturbance

Answer:
All of the above except for 5

Explanation:

Which of these are functions of the liver? (Select all that apply.)

secretes hydrochloric acid into the stomach to break down food

filters poisons from the blood

secretes bile for fat break down into the gall bladder

stores vitamins, minerals, fats, and ingredients for making glucose

Answers

Answer:

Filter poisons from the blood!!! Hope this helped u have a great day :)

Explanation:

why is it difficult for a car to round a curve at high speed

Answers

Answer:

Because the force required to produce this acceleration equals the mass of the car x acceleration, the group of the car is the same but the acceleration is a lot more hence a much bigger force is required. So this is why it's harder for cars to corner at a high speed rather than lower.

Answer:

Vehicles are heavy and have a lot of inertia. This means that if you drive too fast on a curve, your vehicle will keep going straight instead of going around the curve, no matter how hard you drive or slow down to keep it in your lane. Centrifugal force creates a strong outward pull on your vehicle. So all you need to do is slow down before entering a corner. Reducing your speed when you are already on a bend can cause your car to skid.

Provide one reason why it would be hard for an alien to view the Earth with a light telescope.

Answers

Answer:

The Earth is a very bright object when viewed with a light telescope. The light from the sun reflects off of the Earth's surface and this makes it very difficult to see anything else.

Explanation:

The brightness of the Earth makes it difficult for an alien to view it with a light telescope. The light from the sun reflects off of the Earth's surface and this makes it very difficult to see anything else. The light from the sun can also cause the Earth's atmosphere to glow, making it even harder to see anything else.

from space, with the reflections of the sun and other vectors of light, the earth is pretty bright for the normal human eye. if the alien has similar optics, it would be quite difficult to see the earth in good detail

What are the four forms of matter that waves can travel through?

Answers

Answer:

It can be a solid, liquid, gas,plasma,etc. When waves travel through a medium, the particles of the medium are not carried along with the wave.For example, water waves have to travel in water. Sound waves need a solid, a liquid or a gas to travel in.

The four states of matter are gas, liquid, solid and plasma. Waves can travel  through all these states of matter but by different transfer modes.

What are waves?

Waves are energy transfer through matter. There are two types of waves namely, mechanical waves and electromagnetic waves. Mechanical waves can travel through a medium only whereas, electromagnetic waves can travel through vacuum also.

The four states of matter are liquid , gas , solid and plasma. All of these states are allotting waves to pass through. Through solids the energy is transferred by conduction. and  in gases and liquids, convection is the mode for energy transfer.

Only electromagnetic waves can pass through plasma state of matter. When the frequency of the waves is greater than the plasma frequency, then electromagnetic waves can pass through it.

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ANSWER FAST!!!
Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-down menus to complete the statements.

In this experiment, the ______ was intentionally manipulated. This was the independent variable. The dependent variable measured was the ________ .

Answers

The independent variable is the manipulated variable.

What is the independent and the dependent variables?

Your question is incomplete but I will try to shed some light on dependent and independent variables.

The independent variable is the variable that is being manipulated or changed in an experiment or study. It is the variable that the experimenter changes on purpose in order to observe the effects on another variable.

The dependent variable, on the other hand, is the variable that is being measured or observed. It is dependent on the independent variable because it changes in response to changes in the independent variable.

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Answer:

Did it on Edge

Explanation:

Answers:

Height of the track

Speed of the car

Students were creating graphs to illustrate the energy transformations that occur as a roller coaster moves along a track. The letters A-D on Graph 1 represent the position of a roller coaster as it moves along a track. The numbers 1-4 on Graph 2 were supposed to represent the energy of the roller coaster at positions A-D, but the students got their data mixed up. How should the bars in Graph 2 be ordered so that they match to the energy of the roller coaster as it moves from position A to B to C to D?

Students were creating graphs to illustrate the energy transformations that occur as a roller coaster

Answers

A4 B2 C1 D3

A- it's at the top and not moving so its all potential

B- Bottom so no potential, a little is lost to friction- a little thermal, it's moving so ther'es kinetic

C- in the middle hieght- some potential, lost more to friction so more thermal, not moving so no kinetic

D- bottom, so no potential. more energy lost to friction. still moving so some kinetic

what area of technology is the camera classified in? And WHY
a. Information and Communication
b. Bio-related and Agricultural
c. Medical d. Environmental
e. Production, which includes manufacturing and construction
f. Transportation
g. Energy and Power
h. Nanotechnology

Answers

Answer:

a. Information and Communication

Explanation:

The modern photographic camera evolved from the camera obscura. The functioning of the camera is very similar to the functioning of the human eye. The first permanent photograph was made in 1825 by Joseph Nicéphore Niépce.

the correct answer would be A. Information and Communication

Which statement describes an example of static electricity?
O A. When a light switch is flipped, electrons flow to a lightbulb.
O B. Positively and negatively charged particles are attracted to each
other.
O C. Wind turns a generator, causing electrons to flow into power lines.
O D. Electrons move from one end of a copper wire to another.

Answers

B static electricity because the other answer are electrons and electricity moving like if you rub a balloon on the floor it will charge positive but your is negative because you did not rub your hair on the floor you but the balloon on your head then you hair frizzes up if you have hair of course

Positively charged and negatively charged particles of material are attracted by each other. Therefore, statement (B) is an example of static electricity.

What is static electricity?

Static electricity can be described as an imbalance between the electric charges in an object, which is actually the imbalance between the positive and the negative charges on a body.

The imbalance in the charge is described the static electricity. The contact between solid objects is one of the most common causes of static electricity.  

In static electricity, the movement of protons cannot be possible and the movement of electric charge is due to electrons. Electrons in materials are held loosely, so they can be easily exchanged via simple contact such as rubbing.

Such charges can be collected on the surface of a body until they find a  to get discharged. The way to discharge is generally through a circuit. Static electricity is the electric field that is generated due to stationary charges. The electric charges on the surface involve which combine the static electricity on the material.

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The half-life of sodium-24 is 15 minutes. What was the original mass of Na-24 if 5.0 g remains after 1 hour?
20 g
40g
80g
100g

Answers

40g remains after an hour.

The half life of sodium 24 is 15 minutes. What’s the original mass of Na 24 if 5.0g remains after 1 hour
answer
40g

What are the positive and negative effects of the mountain-climbing trade on the local environment and economy? 3-5 sentences, please thx

Answers

It depend on what weather it is but if it’s below 70 or 80 degrees you may want to to wait to it get hotter but you would have to wait until it gets warmer because that is the best weather I hoped I helped you out please give my points if you whould like if it is wrong truly sorry
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