An electron has been accelerated by a potential difference of 100 V. If its position is known to have an uncertainty of 1 nm, what is the percent uncertainty (Dp/p × 10^0) of the electron?

a. 1%
b. 2%
c. 10%
d. >>10%
e. 5%


A

Physics & Space Science

You might also like to view...

A person makes ice tea by adding ice to 1.8 kg of hot tea, initially at 80°C

How many kilograms of ice, initially at 0.00°C, are required to bring the mixture to 10°C? The heat of fusion of ice is 334 kJ/kg, and we can assume that tea has essentially the same thermal properties as water, so its specific heat is 4190 J/(kg?K). A) 1.0 kg B) 1.2 kg C) 1.4 kg D) 1.5 kg E) 1.7 kg

Physics & Space Science

An astronaut who weighs 800 N on the surface of the Earth lifts off from planet Zuton in a space ship. The free-fall acceleration on Zuton is 3.0 m/s2 (down). At the moment of liftoff the acceleration of the space ship is 0.50 m/s2 (up). What is the magnitude of the force of the space ship on the astronaut?

a. 41 N b. 0.29 kN c. 0.24 kN d. 0.20 kN e. 0.37 kN

Physics & Space Science

Between the orbits of the planets Mars and Jupiter we find

A) the Oort cloud B) Orion's belt C) the Kuiper belt D) the asteroid belt

Physics & Space Science

The "guest star" observed by the Chinese in 1054 is now known to have been a(n) ________

Fill in the blank(s) with correct word

Physics & Space Science