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3 years ago

Which two statements about composite materials are true?

Physics

1 answer:

Lana71 [14]3 years ago

5 0

They're made up of more than one substance.

They're readily available in nature.

Explanation:

A composite material or substance is one that is made up of more than one substance.

A composite is used specifically for a purpose which the two desired materials can provide by combining them.

Composites given better material integrity compared to their components.
A composite is produced in order to augment the properties of materials.
The product has unique properties different from those combining.
Composite materials are readily available in nature.
For example, wood is a composite structure in plant.

learn more:

Heterogeneous mixtures brainly.com/question/1446244

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The net force is 180 and the mass is 1.793 what is the acceleration

nata0808 [166]

Answer:

100.390407

Explanation:

To find acceleration, you would use the formula a=f/m (acceleration equals force divided by mass) and then once you enter those numbers in the formula, a=180/1.793. Then you divide 180 divided by 1.793 which gets you an answer of 100.390407.

6 0

3 years ago

ow long must a simple pendulum be if it is to make exactly ten swings per second? (That is, one complete vibration takes exactly

Igoryamba

The period T of a pendulum is given by:
$T=2 \pi \sqrt{ \frac{L}{g} }$
where L is the length of the pendulum while $g=9.81 m/s^2$ is the gravitational acceleration.

In the pendulum of the problem, one complete vibration takes exactly 0.200 s, this means its period is $T=0.200 s$ . Using this data, we can solve the previous formula to find L:
$L=g ( \frac{T}{2\pi} )^2=(9.81 m/s^2)( \frac{0.2 s}{2 \pi} )^2=1 \cdot 10^{-3} m=1 mm$

4 0

3 years ago

Two blocks are the same size one block has a higher temperature than the other. Which describes the thermal energy of these bloc

shepuryov [24]

The block that has a higher temperature describes the thermal energy of these blocks. Thermal energy is a measure of internal energy - therefore, the block with the higher temperature has more internal energy than the block with the lower temperature, meaning it's thermal energy is greater.

8 0

3 years ago

It took Lightning McGreen 2.5 hours to travel

Law Incorporation [45]

Answer:

240km/h

Explanation:

speed=distance/time

speed=600/2.5

=240km/h

4 0

3 years ago

Read 2 more answers

Two balls, one twice as massive as the other, are dropped from the roof of a building (freefall). Just before hitting the ground

Katena32 [7]

KE= 1/2 mv^2

Kinetic Energy is equal to 1/2 x mass x velocity squared

The mass of the larger ball has TWICE
the kinetic energy. KE is directly proportional to the mass.

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3 years ago