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
maks197457 [2]
2 years ago
9

At what speed should a ball of mass 2 kg travel so that it has kinetic energy of 500 J

Biology
2 answers:
Nina [5.8K]2 years ago
6 0

Answer:

we use the equation

kinetic energy (Ek)=1/2*mv²

when we rearrange the equation we get speed (v) as

root of 2Ek/m=speed

so root of 2(500)/2=10 root 5m/s or 22.36m/s

m_a_m_a [10]2 years ago
6 0

Answer:

k=250,000

Explanation:

k=1/2m v^2

k=1/2(2)(500 J)=

250,000

You might be interested in
What are the two phases of speciation?
Anna007 [38]
Phase 1: Starts with the separation between populations. Separated populations become adapted to local conditions and become genetically differentiated over time.

Phase 2: Genetic isolation is completed, reproductive isolation develops mostly in the forms of prezygotic RIMs. 
6 0
3 years ago
Read 2 more answers
Select all that apply. What characteristics do mutations have?
Vinil7 [7]
Well mutations can be a positive or a negative feature. Some mutations can be used as a camouflage so stay safe from predators. Other mutation could give off a bright color which would make it hard to stay hidden from predators.
Hope This Helps!
4 0
3 years ago
Help asap
IgorC [24]

Answer:

<u><em>a reliable source </em></u>

Explanation:

4 0
3 years ago
Read 2 more answers
A man with AB blood has children with a woman with AB blood. What are possible blood types of their children? (select more than
Anettt [7]

Answer:

I believe the childre could have type AB, A, and B blood

Explanation:

8 0
3 years ago
Read 2 more answers
Which patient situation indicates that a patient might be experiencing an increase in his perception of pain
saveliy_v [14]

Answer:

Explanation:

There are some signs and symptoms that a person may exhibit if they are in pain that can clue you in:

Facial grimacing or a frown.

Writhing or constant shifting in bed.

Moaning, groaning, or whimpering.

Restlessness and agitation.

Appearing uneasy and tense, perhaps drawing their legs up or kicking.

3 0
3 years ago
Other questions:
  • What are materials transported within a single called organism
    8·1 answer
  • Which of the following is not a group of organic compounds?
    14·1 answer
  • How is information on age structure and sex ratios useful to demographers?
    10·1 answer
  • The total magnification of a specimen viewed under a compound light microscope is determined by
    9·1 answer
  • The conserved residues in the hemoglobins and myoglobins include the ________ proximal and distal to the heme iron.
    7·1 answer
  • What are some ways in which the structure of a compound influences its function?
    5·2 answers
  • What are three examples of ways in which biology can help inform everday decisions
    7·1 answer
  • HELP!
    12·1 answer
  • Using ONLY information from the morphological cladogram shown below, which two organisms are most closely related?
    6·1 answer
  • the fact that the human brain is not completely developed at birth means that___greatly influence(s) human brain development.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!