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3 years ago

Neither _ nor _ can be created or destroyed, but they can be changed from one to the other

Physics

2 answers:

monitta3 years ago

7 0

The answer is:

Matter & Energy

NEITHER MATTER NOR ENERGY CAN BE CREATED NOR DESTROYED BUT THEY CAN BE CHANGED FROM ONE FORM TO ANOTHER.

This is the law of energy created by Julius Lothar Meyer, a german chemist

He also created the first periodic table...

HOPE THIS HELPS! :)

Viktor [21]3 years ago

3 0

Matter nor energy

hope this helps

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Elements from opposite sides of the periodic table tend to form ________.

Ivenika [448]

Ionic compounds is your answer. What happens is one atom donates electron(s) to the other atom, making one positive and the other negative. The opposite atoms attract, forming an ionic bond.

Hope this helps! :)

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3 years ago

A father wanted to explain how the moon shines to his 5-year old child by comparing it to an object that the child uses. Which s

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Answer:

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3 years ago

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A 10000 N net force is accelerating a car at a rate if 5.5 m/s^2. What is the cars’s mass?

lianna [129]

Answer:

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Explanation:

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3 years ago

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Two airplanes leave an airport at the same time.The velocity of the first airplane is 700 m/h at a heading of 31.3 the velocity

MArishka [77]

Here in order to find out the distance between two planes after 3 hours can be calculated by the concept of relative velocity

$v_{12} = v_1 - v_2$

here

speed of first plane is 700 mi/h at 31.3 degree

$v_1 = 700 cos31.3\hat i + 700 sin31.3\hat j$

$v_1 = 598.12\hat i + 363.7\hat j$

speed of second plane is 570 mi/h at 134 degree

$v_2 = 570 cos134 \hat i + 570 sin134 \hat j$

$v_2 = -396\hat i + 410\hat j$

now the relative velocity is given as

$v_{12} = (598.12 + 396)\hat i + (363.7 - 410)\hat j$

$v_{12} =994.12\hat i -46.3 \hat j$

now the distance between them is given as

$d = v* t$

$d = (994.12 \hat i - 46.3 \hat j)* 3$

$d = 2982.36\hat i - 138.9\hat j$

so the magnitude of the distance is given as

$d = \sqrt{2982.36^2 + 138.9^2}$

$d = 2985.6$ miles

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3 years ago

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A ball of mass m is dropped from rest from a height h and collides elastically with the floor, rebounding to its original height

Jet001 [13]

Answer:

Explanation:

Given

mass m collides elastically with floor and jump to its original height I .e.velocity of rebound is same as the initial velocity

Impulse imparted by steel ball to the ground is given by the change in momentum of steel ball

$J=\Delta P$

and impulse is product of average force and time

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Neither _____ nor _____ can be created or destroyed, but they can be changed from one to the other

Neither _ nor _ can be created or destroyed, but they can be changed from one to the other