What is the distance a wave travels in one unit of time?
Answers
Answer:
Speed
Explanation:
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why do you think accurate measurement of time became possible much after accurate measurement of length and mass
1 . If the gravity increases what will happen to potential energy?a. Increase b. Decrease c. Remain the same 2 . If the mass of an object increases how will kinetic energy be effected ? a. Increase b. Decrease c. Remain the same 3 . Two objects have the same mass; object A has a greater acceleration then B. Which Option will have Greater force? a. Object A b. Object B c. Both the same 4 . The total amount of energy in a closed system remains______. a. Will Increase b. Will Decrease c. Remain The same PLEASE GIVE REAL CLEAR ANSWERS. Thank You
Answers
The gravitational force between two objects is proportional to the
product of their two masses. So if either object acquires more mass,
the magnitude of the gravitational attraction between them increases.
Here is a translation of the same statement, into simple English:
If you are on Earth, and your mass increases because you ate a lot,
then your weight will increase.
Answers
An element from group 2 will form ionic bonds with a nonmetal group 13-17, therefore the correct answer is option C.
What is an ionic bond?
When electrons are moved from the atoms of one element to the atoms of another, creating positive and negative ions, ionic bonds are created. Ionic bonds are only between metals and non-metals occur. There can not be the formation of the ionic bond between two metals.
These ionic bonds are also known as electrovalent bonds as they are formed because of the transfer of the electrons.
There must be one electropositive element that can release electrons which is metal as metals have extra electrons in their valence shell.
There must be one electronegative element involved during the formation of the ionic bond, which is a nonmetal as nonmetals have few electrons left to complete their outermost shell.
As given in the problem element of group 2 are metals and will form ionic bonds with the nonmetal elements of the group 13-17.
Thus, the correct answer is option C.
Learn more about the ionic bond from here
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Answer:
c
Explanation:
it is c because I just took that test on Usa Test Prep and got a 100%
brainlest plz
Answers
Answer:
The acceleration of this helicopter is
Explanation:
In this question the velocity changes from 30 m/sto 40 m/s in 5 seconds.
Initial velocity u=
Final velocity u=
Time t=
Acceleration is defined as the rate of change of velocity. It is given by the equation
=
=
=
All moving bodies aren’t necessarily accelerated. To be identified as accelerating, a body should have its velocity changing. Thus a body in uniform motion is not accelerating since its velocity is constant.
Answer:
A helicopter’s speed increases from 30 m/s to 40 m/s in 5 seconds.
What is the acceleration of this helicopter?
2
m/s2
Explanation:
Correct on egde
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Hope that helped you.
Answers
Here’s some fun facts:
The amplitude of a sound wave determines its loudness or volume. A larger amplitude means a louder sound, and a smaller amplitude means a softer sound.