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LenaWriter [7]
3 years ago
7

How does subjustion change the ocean florr this is acctualy in science

Physics
1 answer:
JulijaS [17]3 years ago
7 0
Subductions causes the ocean floor to sink into deep-ocean trenches and the earths plates move apart from molten rock or magma ana the earths crusts rises a departs.
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Calculate the volume of this regular solid,
Oduvanchick [21]

Answer:

2144.7

Explanation:

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3 years ago
The CIA investigated hypnosis as a possible tool for interrogating prisoners. Why did they decide it was unsuitable for that
alukav5142 [94]

Answer:

D. Hypnosis can make the subjects talk, but they talk only about their childhoods.

Explanation:

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3 years ago
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A 1627 kg car moves with a velocity of 16 m/s. What is its kinetic energy?
TEA [102]
Kinetic Energy = (1/2)mv² = 0.5×1627×16² = 208256J
7 0
4 years ago
A 1400 kg compact car rear-ends a 2000 kg truck. which vehicle experiences the larger momentum change from the collision?
Fittoniya [83]

Both vehicles experience the same change in momentum.

When the compact car rear ends a truck, they exert equal forces on each other, in accordance with Newton's third law. The force exerted by the car on the truck is equal to the force exerted by the truck on the car.The force acting on the two bodies act for the same interval of time.

According to Newton's second law, the force acting on a body is equal to the rate of change of momentum.

Since the forces are equal,

F=\frac{\Delta p_1}{t} =\frac{\Delta p_2}{t}

therefore, the change in momentum of the car \Delta p_1is equal to the change in the momentum of the truck \Delta p_2.

Thus, both the car and the truck experience the same change in their momentum. However due to the smaller mass of the car, the change in its velocity is greater than the change in the truck's velocity, which has a larger mass.

3 0
3 years ago
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A rotating wheel requires 2.90-s to rotate through 37.0 revolutions. Its angular speed at the end of the 2.90-s interval is 97.2
goldenfox [79]

Answer:

Angular acceleration, \alpha =20.32\ rad/s^2

Explanation:

It is given that,

Displacement of the rotating wheel, \theta=37\ rev=232.47\ radian

Time taken, t = 2.9 s

Initial speed of the wheel, \omega_i=0

Final speed of the wheel, \omega_f=97.2\ rad/s

Let \alpha is the angular acceleration of the wheel. Using the third equation of kinematics to find it as :

\alpha=\dfrac{\omega_f^2-\omega_i^2}{2\theta}

\alpha=\dfrac{(97.2)^2}{2\times 232.47}

\alpha =20.32\ rad/s^2

So, the angular acceleration of the wheel is 20.32\ rad/s^2. Hence, this is the required solution.

6 0
3 years ago
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