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hram777 [196]
3 years ago
9

Which statement is true?

Physics
1 answer:
Maurinko [17]3 years ago
8 0
The correct answer is<span> B.The speed of sound in air is directly proportional to the temperature of the air.

When the temperature increases so does the speed of sound. Sound is faster by </span>0.60 m/s for every higher degree in air temperature because the air density is reduced and the sound can travel faster.
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A student carries a backpack for one mile. Another student carries the same backpack for two miles
Svetllana [295]

Answer:

Compared to the first student, the second student did twice as much work as the first student.

Explanation:

The work done by the first student will be equal to the Force exerted by the backpack on the student carrying it multiplied by one mile (Distance).  The work done by the second student will be equal to the Force exerted by the backpack on the student carrying it multiplied by two miles (Distance).

3 0
3 years ago
Setting another object on top of it is this increasing or decreasing
Nostrana [21]

Answer:

Increasing

Explanation:

It’s increasing because your are adding more weight

4 0
3 years ago
Beam design what is the maximum code-allowable floor beam deflection under the given live load?
Irina18 [472]

According to I.S. standards, the maximum deflection should typically not be greater than 1/325 of the span.

<h3>What is Beam deflection?</h3>

A beam is a long segment of a body that can support a weight while defying bending. Beam deflection is the term for the movement of a beam when a force is applied to it in a certain direction.

The beam has the ability to be bent or shifted from its initial position. The deflection is represented by this distance along each member point.

The amount of displacement that a certain structural member may experience with the aid of a sizable amount of load is known as deflection. It may also be known as the angle or the separation. The slope of the deflected form of the body under a load directly influences the distance of deflection of a member under that force.

To know more about Beam deflection:

brainly.com/question/15741463

#SPJ4

5 0
2 years ago
Which of the following has the fewest calence electrons?
dlinn [17]

Answer:

both magnesium and strontium have 2 valence electrons

Explanation:

potassium has 8 valence electrons, and nitrogen has 5.

8 0
3 years ago
Junior or sophomore guys you can hit me up if ur bored or need anything
rodikova [14]

Does Physics involve science? Because I think there's a chemical bond between us. :3

4 0
3 years ago
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