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madreJ [45]
3 years ago
6

I have no idea so i'm screwed please help me

Physics
1 answer:
podryga [215]3 years ago
8 0

Answer:

Let N0 be the initial atoms of Be11

N0 / 2^1 = N0 / 2  Number of Be11 after 1 half-life

N0 / 2^2 = N0/ 4   Number of Be11 after 2 half-lives

30/13.81 = 2.17 half lives

N0 / 2^2.17 = N0 / 4.51 = .222 N0 or 22.2 % of atoms remain

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svetlana [45]

Answer:

34.45m

Explanation:

Using the equation of motion formula v² = u²+2as to get the distance travelled

v is the final velocity = 26m/s

u is the initial velocity = 0m/s

a is the acceleration due to gravity = 9.81m/s²

S is the distance travelled

Substituting the given values into the formula;

26² = 0²+2(9.81)s

676 = 0 + 19.62s

19.62s = 676

s = 676/19.62

s = 34.45m

Hence the distance she would travel during the race is 34.45m

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Why environmental science is about social action​
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Answer:

<h3>Environmental social science is the application of social science – broadly the study of the relationship between individuals in their context within society – and its application to our understanding of environmental issues.</h3>

Explanation:

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3 years ago
The turbines can be seen inside this hydroelectric dam. Why are they located at that particular height?
Yakvenalex [24]

Answer:

3

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4 years ago
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Which following is true off free falling object of different mass
timama [110]

Answer:

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7 0
4 years ago
What is the purpose of family?
Marrrta [24]

Answer:

Purpose of family:

Basically main role of a family towards the society is its continuity by both reproduction and  interaction with each other. The main contribution of family to the society is society's continuation.

Types of families:

The family further divided into six types nowadays. Namely,

  1. Nuclear Family
  2. Single Parent
  3. Extended Family
  4. Childless Family
  5. Step family
  6. Grandparent Family

<u>Defining each Family and their pros and cons :</u>

1). Nuclear Family: The most basic kind of family is nuclear family based on two parents and their biological or adopted children. Number of children is variable, some have one and others have more than one. The main aim of the nuclear family is to up bring their kids and teach them how to socialize in the society.

<u>Pros of nuclear family</u>:

  • Both parents work and more likely financially stable
  • Children gets more balanced parenting
  • Concerned about education
  • Focus more on health issues both mental and physical
  • More socialize in the society

<u>Cons of nuclear family</u>:

  • Higher level of stress factor due to increased number of dependents
  • Have higher rates of disputes
  • Children become egotistical due to over possessive parents

2). Single Parent: Consists of either a mother or a father living with one or more than one child. Parents may initially married, separated or departed, or passed away (one of them). Like other family structures single parents also have some pros and cons.

<u>Pros of single parent</u>:

  • Close relationship with each other due to less family members
  • More responsible as duties are not being further divided.
  • Both children and parents are strong and independent

<u>Cons of single parent</u>:

  • Less income due to sole parent
  • May relay on financial help
  • Quality living may compromise due to sole earning
  • Children become mentally unstable by living alternatively with parents (in divorced cases).

3). Extended Family: Basically extended families are joint families, in which grandparents, parents and children live together to support each other both financially and socially.

<u>Pros of extended family</u>:

  • More tolerance level among children
  • Care and  Respects for people older in age is practiced
  • Have emotional support
  • Have social support

<u>Cons of extended family</u>:

  • Face more financial crises due to large number of members in a family
  • Intervening in personal matters with each other
  • Low privacy

4).Childless Family: Partners who have no any children either by choice or due to infertility.

<u>Pros of childless family</u>:

  • More financially strong
  • No one to take care of
  • More free to do basic thing like travelling, shopping and fun activities
  • Have more chance to fulfill desired goal

<u>Cons of childless family</u>:

  • Develop fear of isolation by the time
  • Society pressure (not having kids)
  • Develop sense of lacking something important (infertile couples)

5). Step family:

When two families start living to gather, like two divorced people get married and living together with their children (from 1st partner).

<u>Pros of step family</u>:

  • Child gets advantage by living with both parents
  • Financially stable due to two source of incomes

<u>Cons of step family</u>:

  • Feeling of living forcefully with second parent
  • Couple fight often due to each other's children conflict
  • children develop leas tolerance

6) Grandparent Family: In which grandchildren are raised by their grandparents.

<u>Pros of grandparent family</u>:

  • Children have strong relationship with their elderly
  • More protective environment for children

<u>Cons of grandparent family:</u>

  • Less financially table
  • Difficult to raise children due to old age and related health issue
  • Big age gap  

<u>Similarities and Differences:</u>

By considering the pros and cons of different family structure we come to the point that many of them have some similarities like financial stability, strong bonding, and more socialization. Likewise there are few differences as well as some families share strong bond while other suffers from isolation. Some are more financially stable and others are less. Some have children while other are childless. Some children have both parents while other have single or step patent. Some of them have high tolerance while other has less. Some live quality life whiles other compromise on their needs and wants.

7 0
3 years ago
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