Question

The speed of an electron is measured to be between 4.3x106 m/s and 4.5x106 m/s. a)...

The speed of an electron is measured to be between 4.3x106 m/s and 4.5x106 m/s. a) What is the fractional uncertainty of its speed relative to the lower limit (Deltav/v)? b) What is the momentum range and momentum uncertainty for the electron? c) What is the smallest possible uncertainty in the electron’s position?

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
4. a)The speed of an electron is measured to within an uncertainty of 2.0x104 m/s. What...
4. a)The speed of an electron is measured to within an uncertainty of 2.0x104 m/s. What is the size of the smallest region of space in which the electron could be confined? b)The Σ∗particle has a rest energy of 1385 MeV and a lifetime of 2.0x10-23 s. What would be a typical range of outcomes of measurements of the Σ∗ rest energy?
an electron moves in a straight line with a constant speed v=1.10x10^6 m/s which has been...
an electron moves in a straight line with a constant speed v=1.10x10^6 m/s which has been measured to a precision of 0.10%. what is the maximum precision with which its position could be simultaneously measured ?
(I) A free neutron (m = 1.67 × 10−27 kg) has a mean life of 880...
(I) A free neutron (m = 1.67 × 10−27 kg) has a mean life of 880 s. What is the uncertainty in its mass (in kg)? (II) What minimum frequency of light is needed to eject electrons from a metal whose work function is 4.8 × 10−19 ? and give the ejected electron a kinetic energy of 150??? (III) If an electron’s position can be measured to a precision of 12 nm. what is the uncertainty in its speed? Assuming...
An electron moves at 2.50 x 106 m/s through a region in which there is a...
An electron moves at 2.50 x 106 m/s through a region in which there is a magnetic field of unspecified direction and magnitude 7.40 x 10-2 T. (a) What is the smallest possible magnitude of the acceleration of the electron due to the magnetic field?(1.5 marks) (b) What is the largest possible magnitude of the acceleration of the electron due to the magnetic field? (c) If the actual acceleration of the electron is one-fourth of the largest magnitude in part...
An electron and a 140-gg baseball are each traveling 110 m/sm/s measured to a precision of...
An electron and a 140-gg baseball are each traveling 110 m/sm/s measured to a precision of 0.065 %% . Part A: Calculate the uncertainty in position of the electron. Express your answer to two significant figures and include the appropriate units. Part B: Calculate the uncertainty in position of the baseball. Express your answer to two significant figures and include the appropriate units. Part C: Compare the uncertainty in position of each. Express your answer using two significant figures.
(a) An electron and a 0.0260 kg bullet each have a velocity of magnitude 490 m/s,...
(a) An electron and a 0.0260 kg bullet each have a velocity of magnitude 490 m/s, accurate to within 0.0100%. Within what lower limit could we determine the position of each object along the direction of the velocity? (Give the lower limit for the electron in mm and that for the bullet in m.) for the electron mmf or the bullet m (b) What If? Within what lower limit could we determine the position of each object along the direction...
(a) Assume an electron in the ground state of the hydrogen atom moves at an average...
(a) Assume an electron in the ground state of the hydrogen atom moves at an average speed of 5.00 × 10^6 m/s. If the speed is known to an uncertainty of 1 percent, what is the minimum uncertainty in its position? The radius of the hydrogen atom in the ground state is 5.29 × 10^−11 m. The mass of an electron is 9.1094 × 10^−31 kg. __________× 10______ m (b) A 0.13−kg baseball thrown at 100 mph has a momentum...
An electron traveling at 4.6×105 m/s has an uncertainty in its velocity of 1.71×105 m/s ....
An electron traveling at 4.6×105 m/s has an uncertainty in its velocity of 1.71×105 m/s . What is the uncertainty in its position?
An electron traveling at 5.3×105 m/s has an uncertainty in its velocity of 1.17×105 m/s. What...
An electron traveling at 5.3×105 m/s has an uncertainty in its velocity of 1.17×105 m/s. What is the uncertainty in its position?
A proton and a bullet each move with a speed 324 m/s, measured with an uncertainty...
A proton and a bullet each move with a speed 324 m/s, measured with an uncertainty of .01%. If measurements of their respective positions are made simultaneous with the speed measurements, what is the minimum uncertainty in the position measurement for the proton in units of microns and 3 significant figures? Take ?(x)*?(p) = h/(2?). The proton mass is 938 MeV/c2. You do NOT need to specify the units for this question
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT