The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.8 mm and is 8.9 cm long. If the pressure drop between the heart and lungs is 410 Pa, what is the average speed of blood in the pulmonary artery?

Q: Jawaban no 4

A: The objective of the question is to understand the concept of fluid, static fluid, the forces acting…

Q: A square insulating sheet 80.0 cm on a side is held horizontally. The sheet has 4.50 nC of charge…

A: Given Area a     = 80.0 cm = 0.8 m Charge q = 4.50 nC = 4.5×10-9 C Find the electric field at a…

Q: 2. Two point charges, +q and -q, are placed as shown. Rank the five points labeled A, B, C, D, and E…

A: From the figure the direction of electric field will be from positive to negative charge which is…

Q: 5. A bow with an arrow is drawn back 0.50 m. The bow has a spring constant of 500 N/m. problem. (a)…

A: Given: The displacement of the bow with the arrow is 0.5 m. The spring constant of the system is 500…

Q: Help with this.

A: Given data The mass of the bigger block is given as M. The mass of the smaller block is given as m.…

Q: A metal wire of mass m = 24.1 mg can slide with negligible friction on two horizontal parallel rails…

A:

Q: Review Conceptual Example 8 before starting this problem. A block is attached to a horizontal spring…

A:

Q: Describe the advantages and disadvantages of using models to describe physical reality. Describe the…

A: This is a question the scientific process.

Q: In the physics lab, a block of mass M slides down a frictionless incline from a height of 35cm. At…

A:

Q: A plane, diving with constant speed at an angle of 45.3° with the vertical, releases a projectile at…

A: Given data as per the question Altitude =685 m

Q: In the figure, two 5.40 kg blocks are connected by a massless string over a pulley of radius 2.10 cm…

A: Have a look dear

Q: A loaded penguin sled weighing 61.0 N rests on a plane inclined at angle 0 = 19.0° to the horizontal…

A: (a) Draw the FBD of the problem as shown below:     Here, W, N, f, and F represent the given…

Q: An iron ion (Fe3+) has a mass of 9.27x10^-27kg. The iron ions are accelerated from rest through a…

A: Given: Mass of ion m = 9.27(10-27 ) kg Potential difference V =2.15 kV Radius r = 8.72 cm in…

Q: X Incorrect Starting from rest at home plate, a baseball player runs to first base (90 ft away). He…

A:

Q: Determine the potential difference between the origin and the point x = 20 cm if there is a 1.…

A: Part 1. Given: The displacement id d=20 cm. The electric field is E=1000 N/C. Also, at origin d'=0…

Q: 40 cm 30° 14. Three charges start out infinitely far away from this triangle, and infinitely far…

A:

Q: A 140 kg astronaut (including space suit) acquires a speed of 2.70 m/s by pushing off with his legs…

A: Given, The mass of the astronaut including the space suit, m=140 kg The initial speed acquired by…

Q: Figure P27.68 02 In a certain stereo system, each speaker has a resistance of 4.00 N. The system is…

A: Given data: Resistance of the speaker =4.00 ohm Power of the system P=60.0W Fuse rate current =4.00A

Q: You need to move a hunk of gold across a river by placing it on top of a makeshift raft, which is…

A: mass of wood = 30 kg density of wood = 500 kg/m3volume of wood = mass/density  = 30/500  = 0.06…

Q: Two particles are fixed on the x axis. Particle 1 of charge 41 = 1.00 µC is at the origin. Particle…

A:

Q: Students are standing on top of the 10.0 m high building to ambush the profes alloons. When they see…

A: For the projectile whole motion can be divided into x component and y components  Since there is no…

Q: How did you get the answer z for the last question??

A:

Q: The resistances in the circuit have values: R1= 2.0-Q, R2=4.0-Q and R3-8.0-Q. The combination is…

A:

Q: 11) How does the intensity of sound form a concert speaker at a distance of 1 meter compare to the…

A: Intensity of sound, I = P/(4πr2) Where  P is power of source and r is distance Then, I1/I2 =…

Q: Why is it 20log

A: Actually when the formula is in the form of intensity then  the formula is 10log(I)Where I is…

Q: This was a multi select is this the only that applies?

A: if this is a multi select question  then A and D also could be the Answer .

Q: You know your mass is 70 kg, but when you stand on a bathroom scale in an elevator, it says your…

A: Given information:- The actual mass of the person is given as m = 70 kg. The mass shown by the…

Q: The figure below shows a long straight wire with current i to the right and three wire loops. The…

A: Given The figure below shows a long straight wire with current i to the right and three-wire loops.…

Q: Is the net force on q zero or non-zero, provided that q -q? D

A: Given problem is related to the Coulomb’s law of electrostatics. Its states that, ' Force of…

Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.