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Sauron [17]
3 years ago
15

Consider this statement: Air is matter. Which facts best support the statement?

Physics
2 answers:
mihalych1998 [28]3 years ago
8 0
The answers is A and C hope this helps :)
Tju [1.3M]3 years ago
6 0
<h3><u><em>Answer;</em></u></h3>

<em>A. Balloons can be filled with air. </em>

<em>C. Air has mass</em>

<h3><u>Explanation;</u></h3>
  • <em><u>A matter is anything that can occupy space and has a particular weight.</u></em>
  • <u><em>Matter</em></u> is classified into three states which are; solids, liquids, and gases. the three state of matters differ in terms of packaging of molecules and their shape, that is whether definite or indefinite, or their volume.
  • <em><u>Air is an example of matter which is in gaseous state. It has both mass and occupies weight.</u></em> The fact that air has mass makes it matter. Also the fact that balloons can be filled with air means that air occupies space.
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It is known that birds can detect the earth's magnetic field, but the mechanism of how they do this is not known. It has been su
san4es73 [151]

Answer:

EMF = 5.01 \times 10^{-4} Volts

Explanation:

Here we know that the EMF induced in this Field is given as

EMF = vBL

here B = perpendicular component of magnetic field

v = speed of the bird

L = length of the wings

now we have

B = 5\times 10^{-5} sin40

v = 13 m/s

L = 1.2 m

now we have

EMF = (13)(3.21 \times 10^{-5})(1.2)

EMF = 5.01 \times 10^{-4} Volts

8 0
3 years ago
Is the frictional force the same as the applied force when the net force equals zero?
DerKrebs [107]

Answer:

Since the net force is to the right (in the direction of the applied force), then the applied force must be greater than the friction force. The friction force can be determined using an understanding of net force as the vector sum of all the forces.

Explanation:

6 0
2 years ago
A rollercoaster car has 2500 J of potential energy and 160 J of
lara31 [8.8K]

Answer:

E_{k2}=2660 [J] kinetic energy.

Explanation:

The energy in the initial state i.e. when the rollercoaster is at the top is equal to the energy in the final state i.e. when it is at the bottom of the hill.

These states can be represented by means of the second equation.

E_{k1}+E_{p1}=E_{k2}\\160 + 2500 = E_{k2}\\E_{k2}=2660 [J]

Since the rollercoaster is located in the bottom of the hill where the potential energy level is zero, therefore there is only kinetic energy in the second state.

8 0
3 years ago
What is kinetic energy of 6 kg bowling ball if it is going 6.1 m/s
weqwewe [10]

Answer:111.63 joules

Explanation:

Kinetic energy=(massx(velocity)^2)/2

Kinetic energy=(6×(6.1)^2)/2

Kinetic energy=(6×37.21)/2

Kinetic energy=223.26/2

Kinetic energy=111.63 joules

7 0
3 years ago
How could you make a sound wave sound louder
kykrilka [37]
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6 0
3 years ago
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