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elena-14-01-66 [18.8K]
3 years ago
7

What is the least diverse (fewest number) group of living things found in Pennslyvania

Biology
2 answers:
Ulleksa [173]3 years ago
6 0
Invertebrates can be the least diverse
scZoUnD [109]3 years ago
5 0
Tha answer is Invertebrates
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3 years ago
A 6,000 kg train car is moving to the right at 10 m/s and connects to a 4,000-kg train car that wasn't moving. What is the veloc
SIZIF [17.4K]

6 m/s

This type of collision is a <u>Inelastic collision </u>

Explanation:

We begin by finding the momentum of the initial train car;

Remember that momentum is given by the formulae mass (kg) * velocity (m/s)

Therefore;

Momentum = 6000 * 10

= 60,000 kg⋅m/s

The other car has zero momentum because;

4000 * 0

= 0

When the two train cars collide, the total momentum will be;

60,000 + 0 = 60,000

Therefore to find the velocity, well use the same formulae;

p = mv  whereby;

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v – velocity

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v = 60,000 / 10,000

v = 6

= 6 m/s

This is an elastic collision because we are assuming that no energy is lost in the collision. Most collisions, however, are not elastic but rather inelastic. In inelastic collision some of the kinetic energy is lost to the environment in some other form of energy such as heat energy.

Learn More:

For more on elastic collisions check out;

brainly.com/question/10864123

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3 years ago
What two things must an organism be successful at in order to pass on its genes? choosing and selecting surviving and choosing s
GrogVix [38]
It must be successful at reproducing and surviving
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How does the nonpolar nature of lipids contribute to their insulating quality
Elan Coil [88]
Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon–carbon or carbon–hydrogen bonds. ... Lipids also provide insulation from the environment for plants and animals hope this helps
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Which of the following is a renewable source of energy? A. oil B. natural gas C. wind D. coal​
Alex73 [517]

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A renewable source of energy won't be artificial or man- made. It's energy that won't run out.

3 0
1 year ago
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