If a red filter were placed in front of blue dungarees, you would see
A) white.
B) green.
C) blue.
D) red.
E) black.
E
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Kirchhoff's Rules: For the circuit shown in the figure, calculate the emf's ?1 and ?3, assuming that the batteries are ideal. Note that two currents are shown.
Fill in the blank(s) with the appropriate word(s).
The moment of inertia of a solid cylinder about its axis is given by 0.5MR2. If this cylinder rolls without slipping, the ratio of its rotational kinetic energy to its translational kinetic energy is
A) 1:2 B) 1:3 C) 2:1 D) 1:1 E) 3:1
Consider a situation where a constant force of 25 N acts on an object having a mass of 2 kg for 3 seconds.What is the magnitude of the change in the object's momentum?
a. 150 kg m/s b. 50 kg m/s c. 75 kg m/s d. undetermined—not enough information given e. none of the above
Which of the following is considered anitmatter?
a. u b. e– c. e+ d. d