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3 years ago

Why do solid have fixed shape?

2 answers:

7 0

Any matter that is a solid has a definiteshape and a definite volume. The molecules in a solid are in fixedpositions and are close together. Although the molecules can still vibrate, they cannot move from one part of the solid to another part. As a result, a solid does not easily change its shape or its volume.

Alja [10]3 years ago

4 0

B. Would be your answer

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A car travels a distance of 60 km in 2 hours. what is its speed in kilometers per hour?

White raven [17]

Answer:

30 kilometers per hour.

Explanation:

we know this by dividing 60 by 2

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3 years ago

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Fittoniya [83]

Answer:

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3 years ago

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A truck starts from rest with an acceleration of 0.3 m/ S^2 find its speed in km/h when it has moves through 150 m

Nadya [2.5K]

Answer:

9.5 m/s

Explanation:

Distance, S = 150m

Acceleration, a = 0.3 m/s^2

Initial velocity, u = 0 m/s

Final velocity, v

Use kinematics equation

v^2 - u^2 = 2aS

v^2 - 0 = 2*0.3*150 = 90

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3 years ago

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According to the reading, which of the following is NOT an obstacle to using big data for analysis and decision making? O Poor r

RoseWind [281]

Answer:

B .Limited types of data Insufficient data

Explanation:

To analyse and making decision from big data we have following thing

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4 years ago

If you cannot exert enough force to loosen a bolt with a wrench, which of the following should you do?

stepan [7]

Answer:

2.) Use a wrench with a longer handle.

Explanation:

It is suggested to use a wrench with longer handle if you cannot exert enough force to loosen a bolt with a wrench.

In doing this work, the torque which is the force that can turn the screw is not enough;

Torque = force x distance

If we increase the distance or the length of the handle, we can generate more torque to overcome the force needed.

6 0

3 years ago