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slamgirl [31]
3 years ago
15

Which two statements about composite materials are true?

Physics
1 answer:
Lostsunrise [7]3 years ago
4 0

Answer:

Here down below is 3 things true about composite materials

Explanation:

-They’re made up of more than one substance.

-They have the same or similar properties as the materials used to make them.

-They’re always made of metal.

-They’re readily available in nature.

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If you cannot get a chair to move across the floor, it is because ___ friction opposes your push.
denis-greek [22]
If you cannot get a chair to move across the floor, it is because static friction opposes your push. When you say static or kinetic friction the two object that facing each other are opposing each other. That's why you're having a hard time pushing the chair.
7 0
3 years ago
An element carries a_____charge<br>​
ratelena [41]

Answer:

The charge of an element is equal to the number of protons minus the number of electrons. The number of protons is equal to the atomic number of the element given in the periodic table. The number of electrons is equal to the atomic number minus the charge of the atom.

Explanation:

3 0
3 years ago
Read 2 more answers
At a race car driving event, a staff member notices that the skid marks left by the race car are
krok68 [10]

A car that experiences a deceleration of -41.62 m/s² and comes to a stop after 10.99 m has an initial velocity of 30.60 m/s.

A car experiences a deceleration (a) of -41.62 m/s² and comes to a stop (final velocity = v = 0 m/s) after 10.99 m (s).

We can calculate the initial velocity of the car (u) using the following kinematic equation.

v^{2} = u^{2} + 2as\\\\u = \sqrt[]{v^{2}-2as} = \sqrt[]{(0m/s)^{2}-2(-42.61m/s^{2} )(10.99m)} = 30.60m/s

A car that experiences a deceleration of -41.62 m/s² and comes to a stop after 10.99 m has an initial velocity of 30.60 m/s.

Learn more: brainly.com/question/14851168

5 0
2 years ago
What do the key results indicate?
Artyom0805 [142]

Answer:

A key result is an important output that then becomes an input to the next key result area, or to the next person. For example, in selling, a key result area is prospecting—finding new, qualified, and interested prospects to talk to about your product or service.

hope this helps!

Explanation:

4 0
3 years ago
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If the spring constant k of a pogo stick is 3500 N m and the weight of the person on the pogo stick is 700 N, how much is the sp
algol [13]

As we know that spring force is given by

F = kx

here we know that

F = 700 N

also we know that

k = 3500 N/m

now from above equation we will have

700 = 3500 (x)

now we will have

x = \frac{700}{3500}

x = \frac{1}{5} m = 20 cm

so here we can say that end of the spring will be compressed by 20 cm

6 0
3 years ago
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