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
Naddik [55]
3 years ago
8

a child is swinging on swing, describe what happens to both the kinectic energy and potential enegry of the child as she swings

up and down.
Physics
1 answer:
Igoryamba3 years ago
5 0

Answer:

The K.E is maximum when the child is at the vertical position and the P.E is maximum at the extreme deviated position from the vertical.

Explanation:

  • A child is swinging on swing up and down has both kinetic and potential energy.
  • The total mechanical energy of the system is conserved throughout the system. At any instant the total mechanical energy is given by,

                                      E = K.E + P.E

  • The K.E is maximum when the child is at the vertical position.
  • The P.E is maximum at the extreme deviated position from the vertical.
  • And when K.E is maximum P.E becomes minimum and vice versa as per the law of conservation of energy.
You might be interested in
Phase change from a liquid to a solid is what type of property change
Aliun [14]
It is to freeze an object
6 0
3 years ago
Read 2 more answers
If the pressure exerted by the liquid of density 500kg/m3 is 20,000Pa. What is height of liquid column.
gregori [183]

The height of the liquid column is 4.08 metres.

4 0
2 years ago
Why is it important that radioisotopes used in diagnostic tests have short half-lives? 20 A) These radioisotopes have a greater
LiRa [457]

Answer:

Option B) This minimizes the harmful side effects of the radiations

Explanation:

Half-life is the time taken for the decay of an radio-active atom in which it disintegrates such that it becomes half of its value at the beginning.... The nuclei should be in active mode for a longer duration sufficient for the treatment of the condition but these nuclei should have a sufficient  shorter half life so that they don't get enough time to cause any  damage to the health of the person other than treating the cause.

A shorter half life gives the assurance that the radiation after the treatment will leave the body without getting accumulated and cause harm to the body cells and other organs.

8 0
3 years ago
If we put a convex lens made by crown glass <br>in Carbondia sulphide what will happen?​
7nadin3 [17]

Answer:

I don't knowI think it will break

4 0
3 years ago
during a test crash an airbag inflates to stop a dummies forward motion. the dummies mass is 75 kg. if the net force on the dumm
den301095 [7]
Use Force=Mass x Acceleration (newtons second law states force is directly proportional to the acceleration) so you can say that the force is negative and solve for Acceleration.
5 0
3 years ago
Read 2 more answers
Other questions:
  • Which of these is an example of a physical change?
    10·1 answer
  • A student pulls horizontally on a 12 kg box, which then moves horizontally with an acceleration of 0.2 m/s^2. If the student use
    7·1 answer
  • What is the potential energy for 65kg climber on top of Mount Everest (8,800 m high)
    15·1 answer
  • Two charges attract each other with a force of 3.0 n. what will be the force if the distance between them is reduced to one-nint
    5·1 answer
  • Write a balanced chemical equation for the decomposition of solid sodium sulfide in aqueous solution.
    7·2 answers
  • In a 100 mm diameter horizontal pipe, a venturimeter of 0.5 contraction ratio has been fitted. The head of water on the meter wh
    12·1 answer
  • If you are in motion can you have the same speed as someone else in motion but different velocities? Give an example
    9·1 answer
  • A plane flew at a speed of 600 km/hr for a distance of 1500 km,
    6·1 answer
  • Randy used to have poor health. Recently, he has lost a lot of weight and has started feeling much better, but he doesn't know w
    13·2 answers
  • Calculate the mass (in g) of 346 cm³ of polythene. The density of polythene is 0.95 g/cm³. Give your answer to 2 decimal places.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!