The velocity field for an incompressible flow is given as V › = 5x2 i › − 20xy j› + 100t k › . Determine if this flow is steady. Also determine the velocity and acceleration of a particle at (l, 3, 3) at t = 0.2 s.

What are atoms of the same element with varying number of neutrons

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=

Global climatic patterns are changing because of the melting of polar ice caps. the melting of polar ice caps is an example of the interaction between the atmosphere and cryosphere cryosphere and geosphere hydrosphere and geosphere biosphere and cryosphere