Physics Middle School

If you were an engineer of an actual roller coaster, what information would you need to know to ensure that your coaster would be safe?

Answers

Answer 1
To ensure the roller coaster is 100% safe you would have to make sure that the acceleration is a a good force so it can be safe and you have to know how to uses the forces correctly like for example a big change in speed or direction it will make a bigger acceleration and a slower speed or a small change in direction would be a smaller acceleration.

Related Questions

What must be true about the system for this to be possible?

Answers

OH I DID THAT IN 7th grade, ok so the system must have enough gravity for you to continue to stay at the same pace up and down. You would have to have enough gravity so that eventually you don’t just stop.
ok, so the system must have sufficient gravity for you to continue to stay at the same pace up and down. You would have to have enough gravity so that eventually you don't just stop.

Use the information and model to answer the following question.



Echippus is an early ancestor to modern horses that lived 40 million years ago. The organism had a short neck, a short tail and feet with four toes. After ten million years, the tail and neck became longer and one of the toes disappeared as evidenced by the fossil of Mesohippus. Evolution of these organisms continued for 20 million years up to the present day causing the organisms to have longer necks and one solid hoof.

Answers

Answer:

D

Explanation:

The fossil record shows that the mammals gradually evolved so that their toes became one large hoof so this variation must have been more useful for survival than many toes. The correct option is 1.

What is fossil record?

Paleontologists, archaeologists, and geologists use the fossil record to place important events and species in the correct geologic era.

It is based on the Law of Superposition, which states that the bottom layers in undisturbed rock sequences are older than the top layers.

The neck and toes of early horse ancestors evolved in such a way that the neck and tail became longer and one of the toes disappeared over time. The fossil record demonstrates this, as Echippus had a short neck, a short tail, and four-toed feet.

The fossil record shows that mammals gradually evolved their toes into one large hoof, implying that this variation was more useful for survival than many toes.

Thus, the correct option is 1.

For more details regarding fossil records, visit:

https://brainly.com/question/11830342

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Your question seems incomplete, the probable complete question is:

Echippus is an early ancestor to modern horses that lived 40 million years ago. The organism had a short neck and tail and also feet with four toes. After ten million years, the tail and neck became longer and one of the toes disappeared as seen in the Mesohippus. Evolution of these organisms continued 20 million years up to the present day with the organisms having longer necks and one solid hoof.

Which explanation can best be supported by the horse fossil record?

answer choices

The fossil record shows that the mammals gradually evolved so that their toes became one large hoof so this variation must have been more useful for survival than many toesThe fossil record shows that the mammals rapidly evolved so that their toes became one large hoof so this variation must have been more useful for survival than many toesThe fossil record shows that the mammals gradually evolved so that their toes became one large hoof so this variation must have been less useful for survival than many toesThe fossil record shows that the mammals rapidly evolved so that their toes became one large hoof so this variation must have been less useful for survival than many toes

Plz help
The energy diagram shows the changes in energy during a chemical reaction.
Which statement best describes the total energy change of the system?

Answers

Answer:

the awnser is c

Explanation:

i took the test

According to Archimedes' principle, when an object is placed in a fluid, the buoyant force acting on it is equal to the weight of the fluid the object displaces. Question 3 options: True False

Answers

But the Archimedes principle states that the buoyant force is the weight of the fluid displaced. So, for a floating object on a liquid, the weight of the displaced liquid is the weight of the object. Thus, only in the special case of floating does the buoyant force acting on an object equal the object's weight
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