1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Romashka [77]
3 years ago
11

A student swings his keychain around in a circle. What is the source of the centripetal force for this action?

Biology
2 answers:
vichka [17]3 years ago
6 0
The centripetal force is the force that's causing the object to accelerate on a circle. There are three forces acting on the string: gravity (downward), friction (resisting acceleration but negligible), and tension (force the string applies to the key). The only force that is relevant is tension, and therefore, your answer is A, tension.
iris [78.8K]3 years ago
3 0

Answer:

it's tension

Explanation:

You might be interested in
What may cause the city of Buenos Aires to have higher average rainfall than Cape Town even though they have similar yearly aver
Zina [86]

Answer:

The climate of Buenos Aires is dominated by the semi–permanent South Atlantic High throughout the year. This brings in moist winds from the northeast, which brings most of the precipitation to the city. During winter, it brings in frontal systems responsible for precipitation in the city.

6 0
2 years ago
What carries the three unpaired bases that are collectively called the anticodon?
AlladinOne [14]
As the ribosome reads each codon of mRNA, it directs tRNA to bring the specified amino acid into the ribosome. Each tRNA molecule carries<span> just one kind of amino acid. In addition, each tRNA molecule has </span>three unpaired bases<span>, </span>collectively called the anticodon<span>—which is complementary to one mRNA codon.</span>
8 0
3 years ago
What is one way the sun is the same as other stars
Juliette [100K]
Its made up of gas and basicaly is a star


6 0
3 years ago
Read 2 more answers
Species can vary in several ways. Which of the following is one of Darwin's ideas that was accepted by most scientists of his ti
fenix001 [56]

Answer:

Due to the large number of fossils being discovered at that time Darwin proposed that species change over long periods of time.

Explanation:

The theory of Darwin was that the species change in accordance to their environment, thus they develop advantageous traits so that they can be more competitive.

8 0
3 years ago
If the flowers contain 50,000 kcal of energy, about how much energy will the lizard obtain from eating the butterfly? 500 kcal 5
Triss [41]
500 because of the 10% rule when moving up in food chains, for example; patch of grass-200J rabbit eats some of it but doesn’t eat all - 150J the rabbit runs around for a bit and loses energy, the fox doesn’t eat all of the rabbit - 50J ( just a rough example may not be completely right but the concept of the rule is there and the energy).
5 0
3 years ago
Read 2 more answers
Other questions:
  • Historical fiction is a branch of fiction that deals with historical plots, characters, and setting. Not every detail in a work
    10·2 answers
  • Genetics, botany, and zoology are all branches of what subjects
    14·2 answers
  • What process causes your feet to feel hot when you walk on a hot surface
    8·1 answer
  • Which fish is able to eat prey many times larger than itself
    9·1 answer
  • Explain cancer in terms of the cell cycle
    15·1 answer
  • explain in YOUR OWN WORDS Step by step what is happening with greenhouse gases and global warming, please make it professional a
    11·1 answer
  • When would you expect volcanoes or volcanic islands to form? (Which 2 types of plates are colliding?)
    9·1 answer
  • A pH of 2 indicates an_<br> weak acid<br> strong acid<br> weak base<br> strong base
    11·1 answer
  • If ATP breakdown (hydrolysis) is inhibited, which of the following types of movement across cell membranes is also inhibited?
    5·1 answer
  • The enzyme that travels along the leading strand assembling new nucleotides on a growing new strand of dna is?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!