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A 2.06 Newton force is applied to the plunger of a hypodermic needle. If the diameter of the plunger is 1.10 centimeter and that of the needle 0.210 mm,
A. Find with what force does the fluid leave the needle?
B. Obtain what force on the plunger would be needed to push fluid into a vein where the gauge pressure is 18.4 mm-Hg? Answer for the instant just before the fluid starts to move.
In your lab is a steel vessel having a volume of 15.0L you charge the vessel with 2.00 moles of H2 and 1.00 moles of O2. What is the partial pressure of the hydrogen
A 100 gram bullet travelling at 350 m/s strikes and sticks into a stationary 5.00 kg block of wood. The combined bullet+ block initially slides on a horizontal frictionless surface until they encounter a 30.0 degree inclined plane with a coefficient ..
An extreme skier, starting from rest, coasts down a mountain thatmakes an angle of 39.3 ° with the horizontal. How fast is she going just before she lands
a thin rod, of length L = 0.80 m and negligible mass that can pivot about one end to rotate in a vertical circle. what is the change in the gravitational potential energy of the ball-Earth system
A typical adult human lung contains about 330 million tiny cavities called alveoli. Estimate the average diameter of a single alveolus
Your friend is trapped in a castle tower. You want to send her a message by attaching it to an arrow and shooting the arrow into a window in the tower. Determine how high above the ground is the window
If this lens is then immersed in silicone oil with a refractive index of 1.52, what will the focal lens of the lens be in this environment
A bike wheel with a mass of 2.5 kg and a radius of 33 cm rolls across a horizontal floor with a transitional speed of 1.5 m/s. Find how far up the ramp will it go before stopping
Two 68 g ice cubes are dropped into 234 g of water in a thermally insulated container. If the water is initially at25°C, and the ice comes directly from a freezer at -15°C, what is the final temperature at thermal equilibrium?
A proton is traveling horizontally at 5.4 × 106 m/s south. A magnetic flux density has a magnitude of 0.25 T and is directed north. What is the force on the proton
Using Newtons law of gravitational force Find the magnitude of the gravitational exerted by one mass on the other
Calculate the buoyant force that would be exerted on a wood object that is 26g and has a volume of 31.6cm3 and a density of .82 g/mL if you held it under water. How much force must you exert
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