A simple pendulum of length 1.87 m has a mass of 120 g attached. It is drawn back 38.0° and then released. What is the maximum speed of the mass?
a. 1.44 m/s
b. 3.93 m/s
c. 2.74 m/s
d. 2.79 m/s
e. 0.249 m/s
d
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Our Sun was born in a spiral arm
a. True b. False Indicate whether the statement is true or false
If CP for an ideal gas is 35.4 J/mol/K, which of the following is CV for this gas?
a. 12.5 J/mol/K b. 20.8 J/mol/K c. 29.1 J/mol/K d. 27.1 J/mol/K e. 43.4 J/mol/K
A muon formed high in the Earth's atmosphere travels at a speed 0.990c for a distance of 6.40 km before it decays. What is the muon's lifetime as measured in its reference frame?
a. 4.65 × 10^-6 s c. 2.18 × 10^-6 s b. 1.55 × 10^-5 s d. 3.04 × 10^-6 s
What is the Pauli exclusion principle?
a. Only two electrons can be in the same state (have the same quantum numbers). b. No two electrons can be in the same state (have the same quantum numbers). c. Electrons repel each other. d. No two elements can have electrons in the same state (with the same quantum numbers). e. No two electrons can occupy the same shell.