27. What the tank? Consider the shown pressurized wa-ter tank (PH20is 5.00 times atmospheric pressure, and A's cross-A997 (kg/m³)). The pressure at Asectional area is 3.31 times that of B. What is the50 mspeed of the exiting water?В20 mA. 2008 [m/s]С. 39.3 [m/s]B. 2080 [m/s]D. 40.0 [m/s]28. Grave tE! Consider four identical objects with mass mheld at the corners of a square with each side of a. Ob-ject x with same mass m is placed at the midpoint of thebottom side of the square as shown in the figure. What isthe magnitude of the net gravitational force on object xаdue to all the masses?8GM2A.5/5a?В. 16Gm?5V5a2аС. 4Gm?5/5a2D. zero29. CharTRUEse. Which is of the following is always TRUE about a particle in simpleharmonic motion?A. The acceleration of the particle is independent of its mass.B. The position of the particle can always be determined using constant accelerationkinematic equations.C. The force on the particle acts in the same direction as its displacement.D. The acceleration of the particle is dependent linearly on its displacement.30. Simple lang Consider a spring-block system undergoing simple harmonic motion with anamplitude of 0.400 [m]. If the spring has a force constant k = 400. [N/m]. What is thevelocity of the 1.00 [kg] block when it is at 0.0200 [m] from its equilibrium position.?8A. 5.65 [m/s]B. 7.99 [m/s]С. 11.3 [rad/s]D. 12.3 [rad/s]

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What the tank? Consider the shown pressurized wa- ter tank (pH20 is 5.00 times atmospheric pressure, and A's cross- A 997 (kg/m*). The pressure at A sectional area is 3.31 times that of B. What is the 50 m speed of the exiting water? B 20 m A. 2008 [m/s] C. 39.3 (m/s] 60° B. 2080 [m/s] D. 40.0 [m/s]

What the tank? Consider the shown pressurized wa- ter tank (pH20 is 5.00 times atmospheric pressure, and A's cross- A 997 (kg/m*). The pressure at A sectional area is 3.31 times that of B. What is the 50 m speed of the exiting water? B 20 m A. 2008 [m/s] C. 39.3 (m/s] 60° B. 2080 [m/s] D. 40.0 [m/s]

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Engine oil at 40 C [density 876 kg/m^3, viscosity 0.2177 kg/m.s] flows in a 20-cm-diameter pipe at a velocity of 0.9 m/s. The pressure drop (in Pa) of oil for a pipe length of 20 m is
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