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EastWind [94]
3 years ago
7

What does the term “periodic” mean when describing motion

Physics
2 answers:
USPshnik [31]3 years ago
6 0

something that repeats itself as time goes on. roughly, a simple pendulum moves back and forth as time goes on and it has a periodic time.

Natasha2012 [34]3 years ago
3 0

something that repeats itself as time goes on. roughly, a simple pendulum moves back and forth as time goes on and it has a periodic time.

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Choose the word that BEST completes the following sentence. Saturn’s rings have been assigned a letter, based on their location.
puteri [66]

Answer:

The correct answer would be Saturn's Cassini Division.

Explanation:

Read about it here.

https://caps.gsfc.nasa.gov/simpson/kingswood/rings/

Hope this helps! :)

5 0
3 years ago
A lorry of mass 4000 kg is travelling at a speed of 4 m/s.
bulgar [2K]

Answer:

KE = 32,000J

v = 8m/s

Explanation:

KE = .5*m*v²

KE = .5*4000kg*(4m/s)²

KE = 32,000J

32,000J = .5*1000kg*v²

v² = 64

v = 8m/s

7 0
2 years ago
What kind of EM waves are most dangerous to humans​
zhuklara [117]

The most dangerous frequencies of electromagnetic energy are X-rays, gamma rays, ultraviolet light and microwaves. X-rays, gamma rays and UV light can damage living tissues, and microwaves can cook them. Hope this helps! =^-^=

4 0
3 years ago
A Thomson's gazelle can run at very high speeds, but its acceleration is relatively modest. A reasonable model for the sprint of
NikAS [45]

Answer:

The gazelles top speed is 27.3 m/s.

Explanation:

Given that,

Acceleration = 4.2 m/s²

Time = 6.5 s

Suppose we need to find the gazelles top speed

The speed is equal to the product of acceleration and time.

We need to calculate the gazelles top speed

Using formula of speed

v=at

Where, v = speed

a = acceleration

t = time

Put the value into the formula

v=4.2\times6.5

v=27.3\ m/s

Hence, The gazelles top speed is 27.3 m/s.

6 0
3 years ago
In what sense is energy from coal actually solar energy
Jobisdone [24]

Explanation:

The energy stored in coal is directly form the sun which is solar energy. This energy are preserved in carbon atoms and they originate from the life processes of a plant.

  • Plants carry out photosynthesis and produce their energy by this process.
  • Green plants have special adapted structures by which they trap solar energy from the sun and use it to produce their own food.
  • The food is used by plant for nutrition and life activities.
  • In essence the solar energy is converted to chemical energy in plants.
  • To form coal, when plants are rapidly buried their organic matter is preserved from decay by combination with oxygen.
  • More burial preserves the complex molecules that have stored during photosynthesis.
  • The carbon eventually aggregates for coal.

learn more:

Coal brainly.com/question/10055728

#learnwithBrainly

5 0
3 years ago
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