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3 years ago

Which action is an example of poor sportsmanship

1 answer:

6 0

Yelling rude comments to the winning team or claiming the winning team cheated is one example. Another example could be something like crying about loosing and throwing a hissy fit over not winning

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A star’s light is alternately shifted from the blue part of the light spectrum to the red part.

g100num [7]

The answer is A because it is an example of red shift which if basically the Doppler effect , but for light. The wavelength gets longer because it has visible light has shifted into the red end of the spectrum, showing that it has a shorter frequency with a longer wavelength; meaning it is moving away from us

4 0

3 years ago

What are 2 ways acceleration can be changed?

lions [1.4K]

2 Ways Acceleration can be changed are:

i) Increasing or decreasing the velocity of a moving object.

ii) Change of direction of the moving object.

3 0

3 years ago

An iceberg at its melting point

iren2701 [21]

The mass of the iceberg is 71.9 kg

Explanation:

The amount of thermal energy needed to completely melt a substance at its melting point is given by

$Q=\lambda m$

where

$\lambda$ is the latent heat of fusion

m is the mass of the substance

In this problem, we have a block of ice at its melting point (zero degrees). The amount of heat given to the block is

$Q=2.40\cdot 10^7 J$

And the latent heat of fusion of ice is

$\lambda = 334 J/g$

So, we can re-arrange the equation to find m, the amount of ice that will melt:

$m=\frac{Q}{\lambda}=\frac{2.40\cdot 10^7}{334}=71856 g = 71.9 kg$

Learn more about specific heat:

brainly.com/question/3032746

brainly.com/question/4759369

#LearnwithBrainly

5 0

2 years ago

All object changes are compared with a ____ , which is an object that appears to stay in place?

Kaylis [27]

Answer:

All object changes are compared with a <em>reference</em> , which is an object that appears to stay in place.

Explanation:

In scientific experiments, the changes in the experimental object are observed by comparing the changes with a reference object. In the reference object, no changes are made and conditions are kept normal in it. For example, if we want to measure the distance of two cars from a point, the point will be the reference point from which the distance shall be measured. Hence, all changes are made by comparison from a reference object or point.

8 0

2 years ago

Differentiate can you help me plzzzzzzz

Schach [20]

Explanation:

Acceleration and the other term are the same physical phenomenon - just with opposite affects. Acceleration increases velocity, while the other term that begins with the letter "R" reduces.

***(Brainly's language filter is blocking the use of the second term in my answer.)***

Acceleration is defined as the rate of change of the velocity of an object per unit of time...

$a = \frac{dv}{dt}$

Acceleration would be a POSITIVE (+) quantity, while the r-word would be negative (-).

4 0

3 years ago