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Water flows through a horizontal tube of diameter 2.8 centimeter that is joined to a second horizontal tube of diameter 2 centimeter. The pressure difference between the tubes is 7.2 kPa.
Part A. Find which tube has the higher pressure?
Part B. Find which tube has the higher speed of flow?
Part C. Determine the speed of flow in the first tube.
A 222 kg iceboat (like a boat on skates) glides with initially velocity 3.33 m/s northward across a frozen lake where m= 0.10. The wind then exerts on the boat a constant force of 444 N, 67.5° (i.e. NNE) as the boat travels 111 m, 90.0° (i.e. due no..
The owner of a van installs a rear-window lens that has a focallength of -0.299 m. When the owner looks out through the lens at a person standing directly behind the van, the personappears to be just 0.236 m fromthe back of the van, and appears to..
A 75kg skier rides a 2830m long lift to the top of amountain. The lift makes an angle of 14.6 degrees with thehorizontal. What is the change in the skiers gravitational potential energy
A double-slit experiment is performed underwater with a submergedHeNe laser. Suppose that the separation of the slits is0.0142 cm, Find the distance along the screen
A converging lens with a focal length of 88.0 cm forms an image of a 3.20cm -tall real object that is to the left of the lens. Where are the object and image located in relation to the lens
A police car is traveling east at 39.5 m/s along a straight road, overtaking a car ahead of it moving east at 32.0 m/s. What is the wavelength in front of the police car
A gunman standing on a sloping ground fires up the slope. The initial speed of the bullet is v0= 390 m/s. Find the maximum rangeof the bullet along the slope
A 1.7kg object is at rest. A3N force to the right acts on theobject during a time interval of 1.5s. find the velocity of the object at the end of this interval
A slide projector needs to create a 86 cm high image of a 2.0 cm tall slide, What focal length does the lens need and How far should you place the lens from the slide
An object has an angular size of 0.0150 rad when placed at the near point (21.0cm) of an eye. When the eye views this object using a magnifying glass, the largest possible angular size of the image is 0.0380 rad. What is the focal length of the magni..
an 8.5 m long wire of resistance 20.6 \(\Omega\) carries a current of 6.6, What is the magnitude of the electric field in the wire
during a rockslide a 520 kg rock slides from rest down a hillside that is 500 m long and 300 m high. the coefficient of
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