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zubka84 [21]
3 years ago
9

Convection cells in the mantle drive movements of the plates. True or False

Physics
1 answer:
nekit [7.7K]3 years ago
3 0

Answer:

True

Explanation:Plates at our planet's surface move because of the intense heat in the Earth's core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when warm material rises, cools, and eventually sink down. As the cooled material sinks down, it is warmed and rises again.

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True or false this is for a test
OleMash [197]

Answer:

true

Explanation:

7 0
3 years ago
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1. An airplane flies 800 kilometers east from Denver to Wichita in one hour. Then the plane flies west back to Denver in the sam
Bumek [7]

B. The velocity of the second flight is negative compared to the speed.

3 0
3 years ago
Ans of this question A test charge of 1 couloumb moved from 30cm against the field of intensity 50N/c find the energy store in i
UkoKoshka [18]

Answer:

A. Zero

Explanation:

Given data,

The charge of the test charge, q = 1 C

The distance the charge moved against the filed of intensity, x = 30 cm

                                                                                                        = 0.3 m

The electric field intensity, E = 50 N/C

The energy stored in the charge at 0.3 m is given by the formula,

                                V = k q/r

Where,                        

                                     = 9 x 10⁹ Nm²C⁻²

The charge is moved from the potential V₁ to V₂ at 30 cm

Substituting the given values in the above equation

                            V₁ = 9 x 10⁹ x 30 / 0.3

                                =  1.5 x 10¹² J

And,

                            V₂ = 1.5 x 10¹² J

The energy stored in it is,

                             W = V₂ - V₁

                                  = 0

Hence, the energy stored in the charge is, W = 0        

6 0
3 years ago
Name three common units for measuring speed
choli [55]

they are miles per hour(mph),kilometers per hour(km/h),meters per second(m/s)
8 0
3 years ago
A stone is thrown up from the top of a tower. It reaches the ground in 5.64 seconds. A second stone is thrown down from the same
Naddik [55]

Answer:

add 5.64 to 3.6 where you'll find your awnser

Explanation:

8 0
3 years ago
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