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A drinking fountain shoots water about 14 cm up in the air from a nozzle of diameter 0.60 cm. What gauge pressure does the pump have to provide
Two adjacent natural frequencies of an organ pipe are found to be 450 Hz and 495 Hz. What is the length of the pipe
While visiting Planet Physics, you toss a rock straight up at 14m/s and catch it 2.5s later. determine the mass of Planet Physics
189.35 J of energy are transferred to a system in the form of heat while the internal energy decreases by 46.99 J
A cup of water is heated with a heating coil that delivers 27.28W of heat. What is the mass of the water
A gas with initial conditions (P,V,T)i expands isothermally until the final volume=6.389 times the initial volume
A pilot claims to have seen a UFO moving initially at a speed of about 373 m/s in an easterly direction and then, Compute the UFO's average acceleration during the turn
A 69-g firecracker is at rest at the origin when it explodes into three pieces. Find the velocity of the third piece
A 1000 kg airplane touches down on an icy runway, heading northward at 110 km/h. Find the speed and direction of the combined wreckage
A diver releases an air bubble of volume 2.0cm3from a depth of 16m below the surface of a lake, What is the volume of the bubble when it reaches just below the surface of the lake
A 116 g Frisbee is 28 cm in diameter and has about half its mass spread uniformly in a disk, and the other half concentrated in the rim. What is the magnitude of the torque, assumed constant, that th
While messing around with billiard balls, you roll the 8-ball into another ball of the same mass and initially at rest. After the collision, Find the original speed of the cue ball
The length of a beam increases by 1.26mm when its temperature is raised from 29.87oC to 71.49 oC. What is the length of the beam at the initial temperature
A drunk driver in a 1700 kg car plows into a 1300 kg parked car with its brake set. how fast was the drunk going just before the collision
A 690 g wood block is at rest on a frictionless table, when a 27 g bullet is fired into it. what was the original speed of the bullet
A sinusoidal traveling water wave has a wavelength of 25 cm and a frequency of 0.60 Hz. What is the phase speed of this wave
A block slides down an inclined plane, starting from rest and being pushed with a constant acceleration of 4.95 m/s2 over a distance of 21.6 cm. Find the total time the block is in motion
Oxygen gas having a volume of 1180 cm3 at 47.3°C and 1.00 x 105 Pa expands until its volume is 1900 cm3 and its pressure is 1.08 x 105Pa. determine the final temperature of the sample
A parallel-plate capacitor is constructed using a dielectric material whose dielectric constant is 2.70, Find the minimum area of the capacitor plates
The half-life of iodine-131, an isotope used in the treatment of thyroid disorders, is 8.04 days. what is the activity of the sample
Two violins are supposed to be playing concert A, at 440 Hz [{\rm Hz}], What beat frequency do the violinists hear
If the column is 2.30m in length before being stressed, what is the decrease in length
A 180-turn circular coil has diameter 5.35cm and resistance 1.25?. obtain the induced current in the coil
A drug prepared for a patient is tagged with 9943Tc, which has a half-life of 6.05 h. What is the decay constant of this isotope
The barrel of a compound microscope is 13.0 cm in length. The specimen will be mounted 1.00 cm from the objective, Determine the focal length of the objective lens