Which alcohol is used in rubbing alcohol?
a. 2-Hydroxypropane
b. Ethylene glycol
c. Ethanol
d. Methanol
a
Physics & Space Science
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Energy and Momentum: An object initially at rest suddenly explodes in two fragments of masses 2.6 kg and 3.3 kg that move in opposite directions. If the speed of the first fragment is 3.6 m/s, find the internal energy of the explosion.
A. 30 J B. 30 kJ C. 38 J D. 38 kJ
Physics & Space Science
The equivalent capacitance of the circuit shown below is
A. 0.2 C. B. 0.4 C. C. 1 C. D. 4 C. E. 5 C.
Physics & Space Science
Which of the following is not directly involved in the second law of thermodynamics?
a. Spontaneous heat flow b. Converting all heat input into work c. Conservation of energy d. Entropy
Physics & Space Science
Which of the following is a eutectoid reaction?
Physics & Space Science