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ioda
1 year ago
10

Please help i’ll mark you

Physics
2 answers:
suter [353]1 year ago
8 0

Answer:

What should I do. reply quickly for a quick answer

GrogVix [38]1 year ago
3 0

Answer: put a line across the paper

Explanation:

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How do you find the change in potential energy
ratelena [41]

P.E = mgh

This is the formula for potential energy.

This is where m is mass, g is the acceleration due to gravity, and h is height.

All you have to do is multiply all these numbers together.

3 0
3 years ago
A train brakes from 25 m/s to rest in 30 sec. What is its deceleration?
givi [52]

Answer:

a= -0.83m\s^2

Explanation:

a = v \ t

a = -25 \ 30 = -0.833 m\s^2

the object is slowing down 0.83 meter every second

8 0
2 years ago
The 5.5 million vinyl long-playing (LP) records sold in the United States per year pales in comparison with the 1.26 billion dig
miv72 [106K]

Answer:

decline

Explanation:

Based on the scenario being described within the question it can be said that these types of firms are in the decline stage of the product life cycle. This stage refers to when a product has already passed it's peak potential and sales begin to decline until production is ultimately halted and the product dies off. Which is exactly what is happening to the LP's since everyone has moved on to digital downloads.

4 0
3 years ago
Please help me!!!!!!!!!!Which is true about the actual mechanical advantage of a machine?
Hoochie [10]

B it increases with greater friction

3 0
3 years ago
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2. Why is natural selection a mechanism for biological change?
Katena32 [7]

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Natural selection is a simple mechanism that causes populations of living things to change over time.  Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success.

4 0
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