The flow of heat in a cold soft drink will be from ______
a. the drink to the ice cubes
b. the drink to the outside air
c. the drink to the glass
d. the ice cubes to the drink
a
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All the following statements are true. Which one can be attributed to the exclusion principle?
A) Two electrons with the same spin cannot occupy the same energy level in an atom. B) If we know the location of an electron quite well, we will have little idea where it is going next. C) If an electron and antielectron meet, they will turn into energy through mutual annihilation. D) An electron has energy equal to its mass times the speed of light squared.
Which of the following is closest in mass to a white dwarf?
A) the Moon B) Earth C) Jupiter D) the Sun
Coil 1, connected to a 100-? resistor, sits inside coil 2. Coil 1 is connected to a source of 60 cycle per second AC current. Which statement about coil 2 is correct?
A. No current will be induced in coil 2. B. DC current (current flow in only one direction) will be induced in coil 2. C. AC current (current flow in alternating directions) will be induced in coil 2. D. DC current will be induced in coil 2, but its direction will depend on the initial direction of flow of current in coil 1. E. Both AC and DC current will be induced in coil 2.
A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. The ball leaves her hand 1.00 m above the ground. How far from where the child is standing does the ball hit the ground?
A) 1.22 m B) 5.14 m C) 6.79 m D) 7.46 m E) 1.58 m