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3 years ago

12

The distribution of ________ across the globe provides the primary indicator of boundaries between all tectonic plates.

1 answer:

Fiesta28 [93]3 years ago

4 0

The distribution of earthquake across the globe provides the primary indicator of boundaries between all tectonic plates. Earthquakes have a definite distribution pattern. There are three major belts in the world which are frequented by earthquakes of varying intensities and these belts are as under the circus pacific belt, mid Atlantic belt and mid continental belt.

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Some dams are designed to make electricity. How do dams make electricity?

Kamila [148]

They make electricity by directing the flow of water past turbines causing them to spin. When the turbines spin it creates a current in the wire, electricity.

Good Luck! Hope I helped:)

4 0

3 years ago

A charge of 4.5x10^-5 C is placed in an electric field with a strength of 2.0x10^4 N/C. What is the electric force acting on the

Alex

Answer:

0.9 N

Explanation:

The electric force acting on a charge is given by:

$F=qE$

where

q is the magnitude of the charge

E is the strength of the electric field

In this problem, we have

$q=4.5\cdot 10^{-5}C$ is the charge

$E=2.0\cdot 10^4 N/C$ is the strength of the electric field

Substituting into the equation, we find

$F=(4.5\cdot 10^{-5}C)(2.0\cdot 10^4 N/C)=0.9 N$

6 0

3 years ago

.89m/s A vehicle that starts to move from the rest gets an acceleration of 5m/s² within 2 seconds. Calculate the velocity and di

GuDViN [60]

<u>Explanation:</u>

s = ? u = 0m/s v = ? a = 5m/s² t = 2s

v = u + at

= 0 + (5 x 2)

= 10 m/s

s = ut + 1/2 at²

= (0)(2) + x $\frac{1}{2}$ x 5 x 2²

= 10 m

Hope this helps!

5 0

1 year ago

A cyclist must travel 800 kilometers. How many days will the trip take if the cyclist travels at an average speed of 16 km/h

Sloan [31]

Answer:

2 days 2 hours or 50 hours

Explanation:

800/16=50

8 0

3 years ago

A helicopter is ascending vertically. a passenger accidentally drops her wallet out the sides of the helicopter when it is 160 m

Advocard [28]

Answer:

(E)56.0 m/s

Explanation:

Height =h=-160 m

Because the wallet moving in downward direction

Time=t=7 s

Final speed of wallet=v=0

We have to find the speed of helicopter ascending at the moment when the passenger let go of the wallet.

$v^2-u^2=2gh$

Where $g=9.8 m/s^2$

Substitute the values

$0-u^2=2(-160)\times 9.8$

$u^2=3136$

$u=\sqrt{3136}=56m/s$

Option (E) is true

8 0

3 years ago