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3 years ago

Which of the following is a definition of glass transition temperature?

Physics

1 answer:

aleksandr82 [10.1K]3 years ago

5 0

Answer:

c. The temperature at which a glass transforms from a solid to liquid.

Explanation:

The glass transition temperature is said to be a temperature range when a polymer structure transition from a glass or hardy(solid) material to a rubber like or viscous liquid material.

The glass transition temperature is an important property that is critical in product design.

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A child is pushing a shopping cart at a speed of 1.5 m/s how long will it take this child to push the cart down and I'll with th

maks197457 [2]

The answer to this question is 6.2 seconds

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3 years ago

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you can produce a sound by plucking a string or by blowing in a pipe. how are these two ways different?

Shkiper50 [21]

Answer:

a differenceis that the string needs force to be used. without something pulling on it then it wont make the noise. meanwhile the pipe only needs air to be blow Wich can be caused naturally or intentionally

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2 years ago

A feather is dropped on the moon from the height of 1.4m. The acceleration of gravity on the moon is 1.67ms-1. Determine the tim

Zinaida [17]

1.3s

Explanation:

Given parameters:

Height = 1.4m

Gravity on moon = 1.67ms⁻¹

Unknown:

Time for feather to fall = ?

Solution:

To solve this problem, we are going to use one of the motion equation that relates time, gravity and height.

H = ut + $\frac{1}{2} g t^{2}$

Sine the body was dropped from rest, initial velocity is zero;

H = height

u = initial velocity

t = time

g = acceleration due to gravity

since u = 0;

H = $\frac{1}{2} g t^{2}$

1.4 = $\frac{1}{2}$ x 1.67 x t²

t = 1.3s

learn more:

Gravity brainly.com/question/10934170

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8 0

2 years ago

Where are the life forms of the biosphere located

bulgar [2K]

<span>The life forms of the biosphere are located within Earth's surface.</span>

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2 years ago

An object accelerates 3.0 m/s2 when a force of 6.0 N is applied to it. What is the mass of the object?

makvit [3.9K]

Answer:

Explanation:

The mass of the object can be found by using the formula

$m = \frac{f}{a} \\$

f is the force

a is the acceleration

From the question we have

$m = \frac{6}{3} \\$

We have the final answer as

Hope this helps you

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2 years ago