A diatomic quantum mechanical oscillator has a moment of inertia of 7.73 × 10-45 kg ? m2
What is the rotational energy when it is in the quantum state characterized by L = 2? (1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ? s)
A) 8.71 × 10-5 eV B) 2.27 × 10-5 eV C) 2.70 × 10-5 eV D) 7.22 × 10-5 eV
C
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What is the mass of a ball moving at 3 m/s with a momentum of 48 kg?m/s?
A) 4 kg B) 12 kg C) 16 kg D) 144 kg E) none of these
A block lies on a horizontal frictionless surface. A horizontal force of 100 N is applied to the block giving rise to an acceleration of 3.0 m/s2
(a) Determine the mass of the block. (b) Calculate the distance the block will travel if the force is applied for 10 s. (c) Calculate the speed of the block after the force has been applied for 10 s.
Why couldn't Newton determine the value of the gravitational constant?
a. The constant was too large to measure with existing instruments. b. The constant was too small to measure with existing instruments. c. If the gravitational constant were known, the mass of Earth could be calculated. d. Although Newton believed there was a constant, no one has ever discovered one. e. Although the right equipment and techniques for this measurement existed, Newton did not have access to them.
What is one of the largest impact basin in the Solar System?
a. Crisium Basin b. Caloris Basin c. Imbrium Basin d. Mare Tranquillitatis e. Aitken Basin