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A nozzle of inner radius 1.05 mm is connected to a hose of inner radius 8.00 mm. The nozzle shoots out water moving at25.3 m/s.
1) What is the mass flow rate? in g/s
2) At what speed is the water in the hose moving? Answer in cm/s
3) What is the volume flow rate? Answer in cm^3/s
The fastest possible rate of rotation of a planet is that for which the gravitational force on material at the equator barely provides the centripetal force needed for the rotation. evaluate the shortest period of rotation
The escape speed from the Earth is 1.12 × 10^4 m/s, so a gas molecule traveling away from Earth near the outer boundary of the Earth's atmosphere would, at this speed, be able to escape from Earth's gravitational field.
question you cause a particle to move from point a where the electric potential is 17.7 v to point b where the electric
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. How much time is required for the projectile to come up to speed
q1. an 825-n sled is pulled a distance of 161 m. the task requires 1.50 104 j of work and is done by pulling on a rope
Two 20 microfarad capacitors are wired in parallel with each other in series with a single 5 ohm resistor. What is the maximum energy stored in the capacitor
A firefighter a distance d from a burning building directs a stream of water from a fire hose at angle ?i above the horizontal, at what height h does the water strike the building
A woman holds a tube of lipstick 5.7 cm from a spherical mirror and notices that the image of the tube is upright and one eighth its normal size. Determine the position of the image. Is it in front of or behind the mirror
the headlights on a certain car are measured to be 1.1 m apart. the diameter of the pupil in a human eye is 2.5 mm.
A 1026 kg car and a 2210 kg pickup truck approach a curve on the expressway that has a raduis of 264 m. find the normal force on the truck to the highway surface
A planet orbits the sun with a period of 14 years? How far is the planet from the sun
In the Bohr model of the hydrogen atom, an electron (mass m=9.1×10?31kg) orbits a proton at a distance of 5.3×10?11m. How many revolutions per second does the electron make
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