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Suppose a duck lives in a universe in which h = 2 (Pi)J · s. The duck has a mass of 1.55 kg and is initially known to be within a pond 1.60 m wide.
What is the minimum uncertainty in the component of the duck's velocity parallel to the pond's width?
(b) Assuming this uncertainty in speed prevails for 6.00 s, determine the uncertainty in the duck's position after this time interval.
A 9820 kg sailboat is moving through the waters of the Atlantic. Initially, the boat is traveling at 20 mph, 29 degrees East of North. What is the net force (Fnet) acting on the boat
An object is placed farther from a converging lens than twice the lens' focal length. Draw a ray diagram to determine the nature of the image and describe it
A 25 g bullet strikes and becomes embedded in a 1.35 kg block of wood placed on a horizontalsurface just in front of the gun. what was the muzzle speed of the bullet
0.0029 J of energy are stored in a parallel-plate capacitor whose plates each have area 0.30 m2 and are 1.5 mm apart
you have book a 6 kg which sits on top of book b 15 kg which sits on top of a table 30 kg.a. draw a free body diagram
what is the frequency of vibration of the string. If the shot was launched from 6.00 f above the ground at an initial angle of 42.0 degrees , what was its initial speed.
As people sing in church, the sound level everywhere inside is 107 dB. No sound is transmitted through the massive walls, but all the windows and doors are open on a summer morning. Their total area is 23.0 m2. (a) How much sound energy is radiated i..
A 1.6-m-long string fixed at both ends vibrates at resonant frequencies of 768 Hz and 1152 Hz, with no other resonant frequency between these values. What is the fundamental frequency of this string
you measure wavelength divided by 2 to be 70cm. The temperature in the lab is 22 degrees celsius. What is the frequency of the resonance
A 40-g object connected to a spring with a force constant of 30 N/m oscillates with an amplitude of 8 cm on a frictionless, horizontal surface. Find the total energy of the system
A fan is spinning at 900 rpm. When its motor is turned off it makes 75 rev before coming to a stop. Find the moment of Inertia of the fan
As a rocket passes the earth at 0.75c, it fires a laser perpendicular to its direction of travel, What is the speed of the laser beam relative to the earth
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