What process in Earth's core is important in the generation of Earth's magnetic field?
a. accretion
b. differentiation
c. convection
d. eruption
e. gravitation
c
Physics & Space Science
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Suppose you put two protons near each other. Because of the electromagnetic force, what will the two protons do?
A) vollide B) remain stationary C) attract each other D) repel each other E) join together to form a nucleus
Physics & Space Science
In a certain electroplating process gold is deposited by using a current of 14.0 A for 19 minutes. A gold ion, Au+, has a mass of approximately 3.3 × 10-22 g. How many grams of gold are deposited by this process?
A) 33 g B) 16 g C) 22 g D) 28 g E) 97 g
Physics & Space Science
What is the difference between a boundary and a surface?
What will be an ideal response?
Physics & Space Science
Determine the number of boundary and initial conditions needed to solve the differential equation.
Physics & Space Science