According to the uncertainty principle, which of the following statements is true?
A) It is impossible to measure both the position and the momentum of a particle at the same time.
B) It is impossible to measure both the mass and the momentum of a particle at the same time.
C) It is impossible for science to make any meaningful predictions about nature whatsoever.
D) It is impossible to measure both the speed and direction of a particle at the same time.
A) It is impossible to measure both the position and the momentum of a particle at the same time.
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On a cold day, you take in 4.2 L of air into your lungs at a temperature of 0°C
If you hold your breath until the temperature of the air in your lungs reaches 37°C, what is the volume of the air in your lungs at that point, assuming the pressure does not change? A) 4.4 L B) 4.2 L C) 4.6 L D) 5.0 L E) 4.8 L
Atomic physics deals mainly with phenomena involving which particles in atoms?
a. Quarks b. Protons c. Electrons d. Neutrons
Elements heavier than iron are formed mainly in supernovae
Indicate whether the statement is true or false
A ball is thrown vertically upward with an initial speed of 20 m/s. Two seconds later, a stone is thrown vertically (from the same initial height as the ball) with an initial speed of 24 m/s. At what height above the release point will the ball and stone pass each other?
a. 17 m b. 21 m c. 18 m d. 27 m e. 31 m