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enot [183]
3 years ago
11

Complete the sentences to describe the difference between speed and velocity. Speed describes how fast an object moves. Speed is

described by ghkio and time. Velocity is speed with oiuii . Velocity is described by oiikjiu and time.
Physics
2 answers:
Westkost [7]3 years ago
4 0

Answer:

a) Distance

b) Direction

c) Displacement

Explanation:

Speed is a scalar quantity. It is the ratio of distance covered and time taken.

Example: A train covered 200 km in 1 hour.

Its speed will be 200 km/h.

On other hand, velocity is the vector quantity. It requires both magnitude (speed) as well as direction to be described. Velocity is the ratio of displacement and time.

Example: A train moved 200 km in 1 hour eastwards.

Its velocity will be 200 km/h (towards east).

Whitepunk [10]3 years ago
3 0

distance, direction, displacement

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Answer:

A step by step to walk

Explanation:

One- Make sure your shoes are tied so that you dont trip

Two- Make sure your way is a cleared path so you dont fall or even hurt yourself

three- use both set of lets to go in any direction you want.

Four- when walking make sure to try and keep a steedy pace so that both set of legs are going up and down but in harmony

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3 years ago
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Check all true statements about nonmetals. Group of answer choices
larisa [96]

Metals are found towards the left hand side of the periodic table while Nonmetals are found towards the right hand side of the periodic table.

Non metals are found towards the right hand side of the periodic table. They are not all gaseous at room temperature some nonmetals such as iodine are solid at room temperature.

Nonmetals usually have low melting and boiling points, are brittle, have relatively low density and are not good at thermal and electrical conduction.

Potassium - 39 contains 19 protons, 20 neutrons and 19 electrons. Recall that the number of protons and electrons are equal in a neutral atom.

The following is an accurate matching of the ions;

11 protons, 12 neutrons, 10 electrons = +1 - Na^+

31 protons, 39 neutrons, 28 electrons = +3 - Ga^2+

Group 2, period 5 = +2 - Sr^2+

Silver is a lustrous metal.

  • Elements that share the most characteristics are found on the periodic table in the same "horizontal period". False
  • If matter has a higher temperature, that means there will be "more" molecular motion. True
  • If you cool down a propane tank, there will be "less" pressure in it. True
  • If you put a balloon in a freezer, its volume would "increase". False
  • If you put the balloon into a chamber where there is half the pressure, its volume will "double". True
  • The average atomic mass of Aluminum (Al) is "16.00 amu".  False
  • Oxygen's atomic number is "8" therefore it has "8" protons in its nucleus. True
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Learn more: brainly.com/question/4933048

4 0
3 years ago
How would you distinguish a scientific theory from a scientific law?
lord [1]
In general, a scientific law<span> is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a </span>scientific theory<span>. It is a misconception that </span>theories<span> turn into </span>laws<span> with enough research.</span>
3 0
4 years ago
Which of the following is not a benefit of improved cardio-respiratory fitness?
givi [52]

I wanna say it’s D. Slower post exercise recovery time.

8 0
4 years ago
The theory of evolution is
tresset_1 [31]

one of several competing scientific models that all seem equally successful in explaining the nature of life on Earth

Explanation:

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Learn more:

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#learnwithBrainly

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