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2 years ago

8

This is a map that shows hot spots around the world.

2 answers:

klio [65]2 years ago

8 0

Answer:

the answers are B and E

Explanation:

chubhunter [2.5K]2 years ago

6 0

Answer:

formed in the middle of a plate

formed where mantle erupts through crust

Explanation:

The Hawaiian Islands are Volcanoes that formed right in the middle of the Pacific plate which is moving North-westward.

Lithospheric plates lies on the weak and plastic asthenosphere. Such is the Pacific plate too. The weak asthenosphere can erupt on the surface if it gets access through faulting or other geologic conduits. When these mantle magma reaches the surface, they form hotpots on the crust.

The Hawaiian island is a series of these hotspot as it forms when mantle materials upwells to the surface. The hotspot from which the magma is sourced is relatively fixed. The moving plate is what leads to the eruption of the magma at several other parts in the crust.

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All of the following are kinds of forces except thrust acceleration gravity friction

Bogdan [553]

Answer:

Acceleration

Explanation:

The choice from the given option which is not a force is acceleration.

Acceleration is defined as the rate of change of velocity of a body with time;

Acceleration = $\frac{change in velocity}{time}$

Force is a pull or push on a body. The product of mass and acceleration is force.

Thrust is a form of force
Gravity is a force acting on bodies with masses.
Friction is a force that opposes motion,

5 0

2 years ago

Most people can hear sound of pitch raning from to hertz

MrMuchimi

Since our earlobes repeatedly bounce from our inner ear twords the eardrums, this is compeltely true.

4 0

2 years ago

The angular velocity of a 755-g wheel 15.0 cm in diameter is given by the equation ω(t) = (2.00 rad/s2)t + (1.00 rad/s4)t 3. (a)

Lunna [17]

Answer:

a

The number of radians turned by the wheel in 2s is $\theta= 8\ radians$

b

The angular acceleration is $\alpha =14 rad/s^2$

Explanation:

The angular velocity is given as

$w(t) = (2.00 \ rda/s^2)t + (1.00 rad /s^4)t^3$

Now generally the integral of angular velocity gives angular displacement

So integrating the equation of angular velocity through the limit 0 to 2 will gives us the angular displacement for 2 sec

This is mathematically evaluated as

$\theta(t ) = \int\limits^2_0 {2t + t^3} \, dt$

$= [\frac{2t^2}{2} + \frac{t^4}{4}] \left\{ 2} \atop {0}} \right.$

$= [\frac{2(2^2)}{2} + \frac{2^4}{4}] - 0$

$= 4 +4$

$\theta= 8\ radians$

Now generally the derivative of angular velocity gives angular acceleration

So the value of the derivative of angular velocity equation at t= 2 gives us the angular acceleration

This is mathematically evaluated as

$\frac{dw}{dt} = \alpha (t) = 2 + 3t^2$

so at t=2

$\alpha (2) = 2 +3(2)^2$

$\alpha =14 rad/s^2$

7 0

2 years ago

Why is friction a problem in space travellers

marin [14]

The answer is gravitational:)

7 0

2 years ago

If the radius of a coin is 1 cm then calculate its area.

igor_vitrenko [27]

Answer:

3.14*1²

3.14 cm²

I hope this will help

5 0

2 years ago

Read 2 more answers