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pentagon [3]
3 years ago
11

Once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 J, and its potential

energy decreases to BLANK J.
A: 500
B: 900
C: 1,100
D: 2,000
Physics
2 answers:
Xelga [282]3 years ago
7 0

Answer:

2,000, 900, 2,000

Explanation:

Paladinen [302]3 years ago
5 0

Answer:

2000 For The First/900 For The Second/And 2000 For The Third/JUST TOOK QUIZ

Explanation:

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What is the first law of conservation of energy? How is the law applicable to the earths energy balance
Vlad1618 [11]

Answer:

First law of thermodynamic state that energy is always conserved, in other word, energy cannot be created or destroyed.

This means that energy can only transfer from one source to another.

For example, the electricity we used to power our phone didn't come from nowhere.

We charge our phone using the energy from the electricity from the outlet.

The outlet gets its energy from the power plant, who generated that energy from burning coal.

The coal they burned got their energy while they were alive as plants.

The plants got their energy from the sun.

The sun got its energy from other cosmic stuff and so on...

My point is that the energy we use will always cycle around. It doesn't come from thin air and it doesn't disappear into thin air either. This help keeps things balance because if energy is created out of thin air then the earth might just blow up. If energy gets erased into thin air then there'll be nothing to fuel life.

5 0
3 years ago
A soccer ball moving with an initial speed of 1.8 m/s is kicked with a
vova2212 [387]

Answer:

7.0 m

Explanation:

Step 1: Given data

Initial speed of the ball (u): 1.8 m/s

Acceleration (a): 6.1 m/s²

Final speed of the ball (v): 9.4 m/s

Step 2: Calculate the displacement (s) of the ball

The ball is moving with a uniformly accelerated rectilinear motion. We can calculate the displacement using the following suvat equation.

v² = u² + 2 × a × s

s = (v² - u²)/2 × a

s = [(9.4 m/s)² - (1.8 m/s)²]/2 × 6.1 m/s²

s = 7.0 m

7 0
3 years ago
Which term refers to a group or community that forms the focal point of study and consists of all the people considered for eval
DIA [1.3K]
It is the variable that is the answer
5 0
3 years ago
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Which of Newton’s Laws explains why an object originally moving in a circular path will continue in a straight line path if the
Andreas93 [3]

When object is moving in circular path then if suddenly its force reduced to zero then it will move to straight line

This is defined by Newton's First Law

So as per first law of Newton we can say

When there is no net force on an object then it will continue its state of motion in its original state without any change in it.

This is also known as law of inertia

so correct answer will be

Newton's 1st law

6 0
3 years ago
How do prokaryotes differ from eukaryotes? How are they similar?
Sphinxa [80]
Prokaryotes differ from eukaryotes in their less complexity, lacking a nucleus. Eukaryotes are more complex organisms and have a nucleus. They are both similar because they are a type of organism and have membrane bound organelles.

7 0
3 years ago
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