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The hypodermic syringe in the figure below contains water. The barrel of the syringe has a cross-sectional area A1 = 0.20 cm2. The pressure is 1.0 atm everywhere while no force is exerted on the plunger. When a force Fext of magnitude 1.53 N is exerted on the plunger, water squirts from the needle. Determine its flow speed through the needle, v2. Assume that the pressure in the needle remains at p2= 1.0 atm and that the syringe is held horizontal. The final speed of the water in the barrel is negligible.
Express the result in the unit [m/s] and to three significant figures.
Now a peg is placed 4/5 of the way down pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. As it wraps around the peg and attains its maximum height it ends a distance of 3/5 L below its starting po..
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you find in part (a). Illustrate what should be the maximum speed of the car so it can round the curve safely?
A 14 projectile is launched at 380 at a 55angle to the horizontal. At the peak of its trajectory it collides with a second projectile moving horizontally, Find the mass of the second projectile
A loudspeaker diaphragm is oscillating in simple harmonic motion with a frequency of 330 Hz, What is the magnitude of the maximum acceleration
A photon has momentum of magnitude 8.15×10?28kg?m/s. What is the wavelength of this photon
A 40.0 liter gas tank is filled to the brim with gasoline when the temperature is 5.00°C. Gasoline has a coefficient of volume expansion of 950 10-6/°C. If the gas tank is moved into the sun of a hot summer day, the temperature of the gas tank is ..
The ground-state wavefuntion of a hydrogen atom is Y=(1/((pi)a^3))^(1/2)*e^(-r/a) where a=bohr radius. a) calculate probability that the electron will be found within a small sphere of radius 1pm on the nucleus. b) no what if the sphere is at r=a. Wh..
You throw a 1kg ball out of a window 12 m above the ground. It lands 5 m from the building after 1 s. ignore air resistance, How fast was it traveling when it hit the ground
A bowling ball made for a child has two thirds the radius of an adult bowling ball. By what factor is the mass of the child's ball reduced compared with the adult ball
A closely wound circular coil with a diameter of 4.00cm has 600 turns and carries a current of 0.500 A. What is the magnetic field at the center of the coil
a point charge q lies at the center of an uncharged hollow conducting spherical shell of inner radius rin and outer
American football uses a field that is 100.0 yd long, whereas a soccer field is 100.0 m long. Which field is longer, and by how much
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