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3 years ago

Ned Land is generally distrustful of science and progress

Physics

2 answers:

tatyana61 [14]3 years ago

7 0

Answer:

The statement is true. Ned Land, a character from Twenthy Thousand Leagues Under the Sea, is generally distrustful of science and progress.

Explanation:

About 40 years old, Ned Land is a Canadian harpooner from Quebec. Tall man (more than six feet tall) and endowed with a great visual acuity, his temperament characterizes him. Aboard the Abraham Lincoln, despite his naughty and vulgar character, he befriends Professor Pierre Aronnax, to whom he recounts his fishing campaigns. The sailor does not believe in an aquatic monster, unlike Aronnax. Following the sinking of the ship, he found refuge on the hull of the Nautilus. His positive spirit and his blood constitution do not match the existence of the submarine. Knowing all the species of fish, it is a great help for Aronnax at the time of the underwater observations through the portholes. He is constantly planning escape plans, but despite his animosity for Captain Nemo, he will nevertheless save the latter from the attack of a shark. His anger is terrible and he ends up suffering from claustrophobia, to the point that Council, his cabin companion, fears that he will try to kill himself. Finally, he will succeed with his two companions to escape while the Nautilus is caught in the eddies of the Maelstrom.

andrezito [222]3 years ago

3 0

The answer would be True

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An object with a mass of 70 kilograms is supported at a height 8 meters above the ground. What's the potential energy of the obj

Fofino [41]

The potential energy of an object is defined as the energy it harnesses as a result of the downwards pull of gravity. The acceleration due to gravity is equivalent to 9.8 m/s^2. Potential energy can be calculated using the formula: PE = mgz

where:
m = mass
g = acceleration due to gravity
z = height

Therefore, for this problem, the PE = 70(9.8)(8) = 5488 Joules

5 0

3 years ago

Read 2 more answers

A small block with mass 0.0400 kg is moving in the xy-plane. The net force on the block is described by the potentialenergy func

OlgaM077 [116]

Answer:

A= 148.92 m/s²

Explanation:

Given that

U(x,y) = (6.00 )x² - (3.75 )y ³

m= 0.04 kg

Now force in the x-direction

Fx= - dU/dx

U(x,y) = (6.00 )x² - (3.75 )y ³

dU/dx= 12 x

When x=0.4 m

dU/dx= 12 x 0.4 = 4.8

So we can say that

Fx= - 4.8 N

From Newtons law

F= m a

- 4.8 = 0.04 x a

a = -120 m/s²

Acceleration in x direction ,a = -120 m/s²

In y -direction

F= - dU/dy

U(x,y) = (6.00 )x² - (3.75 )y ³

dU/dy = 0 - 3.75 x 3 y²

When y = 0.56 m

dU/dy = - 3.75 x 3 x 0.56 x 0.56

dU/dy = - 3.52

So we can say that force in y -direction

F= 3.52 N

F= m a'

3.52 = 0.04 x a'

a'=88.2 m/s²

acceleration in y direction is 88.2 m/s²

The resultant acceleration

$A=\sqrt{a^2+a'^2}$

$A=\sqrt{120^2+88.2^2}$

A= 148.92 m/s²

7 0

3 years ago

A spiral staircase winds up to the top of a tower in an old castle. To measure the height of the tower, a rope is attached to th

boyakko [2]

Answer:

8.76762 m

Explanation:

T = Time period = 5.94 seconds

g = Acceleration due to gravity = 9.81 m/s²

L = Length of pendulum = Height of tower

Time period is given by

$T=2\pi \sqrt{\dfrac{L}{g}}\\\Rightarrow T^2=4\pi^2\dfrac{L}{g}\\\Rightarrow L=\dfrac{T^2g}{4\pi^2}\\\Rightarrow L=\dfrac{5.94^2\times 9.81}{4\pi^2}\\\Rightarrow L=8.76762\ m$