If the x-component of velocity u depends only on y in a plane incompressible flow, the y-component of velocity v is:

(A) f (y)
(B) const
(C) f (x)
(D) 0


Physics & Space Science

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What is an inertial reference frame? It is one

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A projectile is projected from the origin with a velocity of 10.0 m/s at an angle of 30.0 degrees above the horizontal. What is the velocity of the projectile 2.00 seconds later?

A. Vx = 8.7 m/s, Vy = -14.6 m/s B. Vx = 14.6 m/s, Vy = -5.6 m/s C. Vx = -8.7 m/s, Vy = -14.6 m/s D. Vx = -14.6 m/s, Vy = 8.7 m/s E. Vx = 5.6 m/s, Vy = -14.6 m/s

Physics & Space Science

When people get into a small boat it settles lower in the water and

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Physics & Space Science

How much compressional stress builds up in a thick aluminum bar held between 2 immovable walls if the temperature increases by 20. C°? (? = 24. × 10-6 C-1, Y = 7 × 1010 N/m2)

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Physics & Space Science