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(a) Calculate the absolute pressure at an ocean depth of 75 m. Assume the density of sea water is 1 028 kg/m3 and the air above exerts a pressure of 101.3 kPa.
_______________________ Pa.
(b) At this depth, what is the buoyant force on a spherical submarine having a diameter of 4.60 m?
_______________________ N.
A block of mass 200g, sliding with a speed of 12 cm/sec on a smooth level surface, makes a head-on, elastic collision with a block of unknown mass, Determine the mass of the second block
A screen 1.8 m wide is located 3.6 m from a pair of slits illuminated by 620 nm laser light, Find the highest-order bright fringe that will appear on the screen of the slit spacing is .20 mm
A uniform wooden plank of mass 15kg and total length 10m rests on two supports. Find the forces of the two supports on the plank
A bicycle wheel of radius 20 cm is mounted at the middle of an axle 43 cm long. The tire and rim weigh 24 N. The wheel is spun at 13 rev/s, What is the angular speed of precession
A 87 g arrow is fired from a bow whose string exerts an average force of 105 N on the arrow over a distance of 76 cm. Illustrate what is the speed of the arrow as it leaves the bow?
A 10.0g ball of clay traveling east at 1.50m/scollides and sticks together with a 60.0g ball of clay traveling north at 8.50m/s. What is the speed of the resulting ball of clay
a 753 kg elevator starts from rest. it moves upward for 3.04 seconds with a constant acceleration until it reaches its cruising speed of 2.07 m/s
A 5.20 g pop up toy is compressed 1.50 cm and pops up to the height of 50 cm the spring constant is 270 Nm. What is the loss of energy.
Two long, straight wires are parallel and are separated by a distance of d = 0.230 m, The top wire in the sketch carries current I1 = 3.80 A, toward the right, and the bottom wire carries current I2 = 7.00 A, what are the magnitude and direction of t..
Use Ohm's law to calculate the current in a heater with a heating element of 20 ohms when connected to a 110-V outlet
An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0.210 rev/s . The magnitude of the angular acceleration is 0.881rev/s . Both the the angular velocity and angular accleration are directed clockwi..
If the Volume of the vessel is 20 then we know that the maximum amount of displaced fluid will be [v] units and when you place the vessel in the water there will be [u] units of fluid displaced, which will flow into the graduated cylinder.
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