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kondaur [170]
3 years ago
14

explain how fossil records of the past are reliable sources of information about evolution of life on Earth.

Physics
1 answer:
Tema [17]3 years ago
4 0
Because the fossil show layers and those layers show what kind of settlements where left behind at that layer
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What is the acceleration experiance by a car that takes 10s to reach 27m/s from rest
lina2011 [118]

Magnitude of acceleration = (change in speed) / (time for the change).

Change in speed  =  (27 - 0)  =  27 m/s
Time for the change = 10 s

Magnitude of acceleration =  (27 m/s) / (10 s)  =  2.7 m/s²  .
4 0
3 years ago
A train car with mass m1 = 515 kg is moving to the right with a speed of v1 = 7.5 m/s and collides with a second train car. The
Anna [14]

Answer:

For the first situation, we first need to find the mass of the second train car.

In order to do that, we apply the conservation of the amount of movement:

515*7.5+m2*0=(m1+m2)*4.8

and we have as a result:

m2 = 289.6875

For the second situation, also we will apply the conservation of the amount of movement:

515*7.5-289.6875*6 = (515+289.6875)*V

and we have as a result:

V = 2.64 (it is moving to the right)

6 0
3 years ago
According to Boyle’s Law, increasing the pressure of a gas will have which effect on its volume?
Alisiya [41]
The volume will decrease

7 0
3 years ago
Is the largest group into which organisms are classified
gregori [183]
The LARGEST group into which an organism is classified?<span>Kingdoms
So your answer would be </span><span>Kingdoms

Hope this help :)
</span>
5 0
2 years ago
Read 2 more answers
Ball A is negatively charged and ball B is electrically neutral. What happens to the charges of both balls when they come into c
tresset_1 [31]

Explanation:

They will repel, thus made of electrical conductor.

5 0
2 years ago
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