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German physicist Werner Heisenberg related the uncertainity of an object's position (triangle x) to the uncertainity in its velocity (triangle v). (trainagle x) is greater than or equal to h/(4pim(traingle v) where h is Planck's constant and m is the mass of the object. The mass of the electron is 9.11*10^-31 kg. What is the uncertainity in the position of an electron moving at 2.00/10^6 m/s with an uncertainity of (traingle v)= 0.01*10^6 m/s?
A spring with spring constant k stands vertically, and a massm is placed on top of it. The mass is gradually lowered toits equilibrium position. How many times does the mass oscillate back and forthbefore coming to rest
A 4 kg fish swimming 3 m/s swallows an absent minded 2 kg fish at rest. What is the speed of the large fish instantly after lunch.
A wildlife biologist tracks an elk over flat terrain by following the emissions from a radio collar worn by the animal. If the elk travels 3.0km at an angle of 30 degrees East of North, followed by 2.0km at 40degrees West of North, and finally a 4..
At a soft drink dispenser, a restaurant patron put 0.2 kg of crushed water ice, at a temperature of ?5 C, into an insulating cup. [In fact, the ice was slightly colder before it left the machine, but its warming to ?5 C cooled the inside surface o..
A 481-kg cannon fires a 18.3-kg projectile with a speed of 167 m/s with respect to the muzzle. what is the speed of the projectile with respect to the ground
An isolated conductor of arbitrary shape has a net charge of+1.00×10-5 C. Inside the conductor is acavity within which is a point charge q =+2.50×10-6 C. What is the charge on the cavity wall
You and your friend Peter are putting new shingles on a roof pitched at 25?. If the coefficient of kinetic friction between the box and the roof is 0.51, with what speed should you push the box to have it gently come to rest right at the edge of th..
Consider a length of pipe in air. (Take the velocity of sound in air to be 343 m/s.) Calculate the length for a pipe that has a fundamental frequency of 360 HZ if the pipe is open at both ends
The work function for platinum is 6.35 eV. Ultraviolet light of wavelength 150 nm is incident on the clean surface of a platinum sample. What is the photon energy of the ultraviolet light
After sliding across the horizontal surface, the block of mass M collides elastically with a vertical rod of length R and mass MR that is pivoted at the upper end. What is the maximum displacement angle
Two soccer players start from rest, 43 m apart. They run directly toward each other,both players accelerating. How much time passes before they collide
At the instant the car begins to accelerate, a truck with a constant velocity of 21 m/s passes in the next lane. Explain how far will the car travel before it overtakes the truck?
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