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irina1246 [14]
2 years ago
10

A cruise ship makes its way from one island to another. The ship is in motion compared with which reference point?

Physics
2 answers:
jekas [21]2 years ago
7 0

A reference point would be something not on the ship which could be used to calculate distance traveled.

Answer: C.) A lighthouse on a nearby Island

Alexxx [7]2 years ago
5 0

Answer:

C.) A lighthouse on a nearby Island

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The force applied to make the object move

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You are at the top of the Empire State Building on the 102nd floor, which is located 373 m above the ground, when your favorite
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1.5 m

Explanation:

H = actual height of the superhero = ?

H₀ = height of the superhero as observed = 1.73 m

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Using the equation

H = H_{o} \sqrt{1 - \left ( \frac{v}{c} \right )^{2}}

Inserting the values

H = 1.73 \sqrt{1 - \left ( \frac{0.50 c}{c} \right )^{2}}

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Select all that apply.
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the earth is flat, the stars control human life, the planets revolve around the earth

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If the only forces acting on a 2.0kg mass are F1 = (3i-8j)N and F2 = (5i+3j)N, what is the magnitude of the acceleration of the
belka [17]

Answer: 4.7m/s²

Explanation:

According to newton's first law,

Force = mass × acceleration

Since we are given more the one force, we will take the resultant of the two vectors.

Mass = 2.0kg

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Adding component wise, we have;

F1+F2 = 3i+5i-8j+3j

F1+F2 = 8i-5j

Resultant of the sum of the forces will be;

R² = (8i)²+(-5j)²

Since i.i = j.j = 1

R² = 8²+5²

R² = 64+25

R² = 89

R = √89

R = 9.4N

Our resultant force = 9.4N

Substituting in the formula

F = ma

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a = 9.4/2

a = 4.7m/s²

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