Find the uncertainty in the momentum (in kg × m/s) of an electron if the uncertainty in its position is equal to 3.4 × 10^-10 m, the circumference of the first Bohr orbit
a. 6.2 × 10^-25
b. 1.6 × 10^-25
c. 15.5 × 10^-25
d. 19.4 × 10^-25
e. 2.0 × 10^-24
B
You might also like to view...
Momentum: A satellite with a mass of 200 kg and a speed of 0.800c and a second satellite with a mass of 100 kg and a speed of 0.600c are traveling toward each other in deep space. The satellites collide and somehow manage to stick together. What is the mass of the combined object after the collision?
A. 300 kg B. 389 kg C. 416 kg D. 457 kg E. 587 kg
What is the physical difference between light and a radio wave?
A) Light waves have a higher frequency than radio waves. B) Light is an electromagnetic wave while radio is a pressure wave in air. C) Light waves have a longer wavelength than radio waves. D) Light waves have a larger amplitude than radio waves. E) None of the above.
A certain brand of hot dog cooker applies a potential difference (120 V) to opposite ends of the hot dog and cooks by means of the joule heat produced. If 60 kJ is needed to cook each hot dog, what current is needed to cook four hot dogs simultaneously in 3.0 min?
a. 11 A b. 2.8 A c. 8.3 A d. 2.1 A e. 3.6 A
An empty jar is pushed open-side downward into water so that trapped air cannot escape. As it is pushed deeper, the buoyant force on the jar
A) increases. B) decreases. C) increases, then decreases. D) decreases, then increases. E) remains the same.