Volcanoes are often formed at plate boundaries. This is a convergent plate boundary. From the choices listed, pick the correct d
escription of what happens before the volcano forms. A) Denser continental plate pushes oceanic plate down. Oceanic plate melts deep in the Earth, Magma rises up through weak spot. B) The less dense oceanic plate subducts under the denser continental plate. Subducted plate melts due to heat and pressure. Melted plate, now magma, rises up to the surface. C) As the more dense oceanic plate subducts under the less dense continental plate, it pulls the front edge of the less dense plate down, creating a deep zone or oceanic trench. D) The more dense oceanic plate subducts under the less dense continental plate. Subducted plate melts due to heat and friction. Melted plate, now magma, rises up to the surface.
2 answers:
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D.
Solar energy is converted to wind energy which then drive surface currents.
Answer:
KE2 = 2 KE1
1/2 M V2^2 = 2 * (1/2 M V1^2)
V2^2 = 2 V1^2
V2 = V1
Since momentum = M V the momentum increases by
Answer:
Explanation:
As we know that train is initially moving with the speed
now we know that
now the final speed of the train when it crossed the crossing
now we can use kinematics here
Now the time to cross that junction is given as
Answer: part a: 19.62m
part b: 19.62 m/s
part a: 2.83 secs
Explanation:If the air resistance is ignored then the swimmer experience free fall under gravity hence
u=0
a=9.81 m/s2
t=2 secs
s=h
Part b
Part c
now we have h=2*19.62=39.24
A spinning force acting upon it
