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Suppose a duck lives in a universe in which h = 2π J · s. The duck has a mass of 2.35 kg and is initially known to be within a pond 1.40 m wide.(a) 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 4.85 s, determine the uncertainty in the duck's position after this time interval.
A 3.0 kilogram object moves to the right with a speed of 2.0 m/s. Evaluate the total kinetic energy after the collision
two students stand poised to leap off a high dive structure into teh swimming pool below. Student B is twice as massive as student A. Find the magnitude of velocity of canoe relative to river.
Someone decides to produce electrical power by turning a coil with 10^5 circular loops in the Earth's magnetic field. determine the average power obtained from this device
A massless spring hangs from the ceiling with a small object attached to its lower end. How far below yi is the new equilibrium (rest) position with both objects attached to the spring
Q) What is the equation in standard form of the line which passes through (1, -3) and has a slope of 2?
An alpha (?) particle is traveling at a speed v = 6.70x105 m/s in a west to east direction. What is the radius of curvature for the alpha particle as it continues through the magnetic field
a use stefans law to calculate the total power radiated per unit area by a tungsten filament at a temperature of 3000
The model rocket is fired vertically from rest. It has a net acceleration of 17.5m/s2. After 1.5s, its fuel is exhausted and its only acceleration is that due to gravity. how high does the rocket travel
512 g of an unknown metal at a temperature of 15 degrees celsius is dropped into a 100 g aluminum container holding 325
A golfball rolls off a horizontal cliff with an initialspeed of 11.4 m/s. The ball falls a vertical distance of 15.5m intoa lake below. How much time does the ball spend in the air
Nichrome wire of cross-sectional radius 0.754 mm is to be used in winding a heating coil. calculate the length of wire you must use to wind the coil
A wave travels on a string at 60m/s. A second string of 20 percent greater linear density has the same tension applied as in the first string. What will be the resulting wave speed in the second string?
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