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gavmur [86]
3 years ago
10

Where does a rider on a roller coaster get energy?

Physics
2 answers:
Annette [7]3 years ago
5 0
Gravitational potential energy.

As the rider falls, the GPE is converted into kinetic energy.
liraira [26]3 years ago
5 0
He gets it from the huge motor that lifts the cars and people to the top of the first hill and then let's them go.
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3 years ago
Which type of wave results from a moderately sloping coastal region?
Naddik [55]

Hey there!

Your answer: Spilling breaker

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It's almost like play-dough. Let's say that we set a perfect flat surface of play-dough on the table. As we continue slide our hands one direction, doesn't the play dough have more on one side than the other? It eventually contains a slope if you add enough from the first place.

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8 0
3 years ago
Read 2 more answers
A boy pulls a 28.0-kg box with a 230-N force at 35° above a horizontal surface. If the coefficient of kinetic friction between t
ddd [48]

Answer:

1977.696 J

Explanation:

Given;

Weight of the box = 28.0 kg

Force applied by the boy = 230 N

angle between the horizontal and the force = 35°

Therefore,

the horizontal component of the force = 230 × cosθ

= 230 × cos 35°

= 188.405 N

Coefficient of kinetic friction, μ = 0.24

Force by friction, f = μN

here,

N = Normal force = Mass × acceleration due to gravity

or

N = 28 × 9.81 = 274.68 N

therefore,

f = 0.24 × 274.68

or

f = 65.9232 N

Now,

work done by the boy, W₁ = 188.405 N × Displacement  

= 188.405 N × 30

= 5652.15 J

and,

the

work done by the friction, W₂ = - 65.9232 N × Displacement  

= - 65.9232 N × 30 m

= - 1977.696 J

[ since the friction force acts opposite to the direction of motion, therefore the workdone will be negative]

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3 years ago
A plane traveling 40 m/s drops a box from a height of 186 m. Where does the box strike the ground relative to the point directly
Arte-miy333 [17]

Answer:the horizontal velocity is 40

Explanation:

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What factor about the planets caused you to weigh more or less?
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usually gravity is what causes us to make us weigh more or less depending on which planet we are on

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