Standing Waves on a String: If the frequency of a violin string is to be increased by 20%, what change in tension must be applied?
A. 44%
B. 20%
C. 4.5%
D. 10%
Answer: A
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Which of the following is a solution to the wave equation, 
?
A.
B.
C.
D.
E.
What different resistances can be obtained by using two 2. ? resistors and one 4. ? resistor?
What will be an ideal response?
Jupiter orbits the Sun and follows which laws? Choose the best answer. I. Kepler's first II. Kepler's second III. Kepler's third IV. Newton's first V. Newton's second VI. Newton's third VII. Newton's law of gravitation
a. I, II, III, V, VI b. II, IV, VI, VII c. I, II, III, IV, V, VII d. I, II, IV, V, VI, VII
Two bodies of equal mass m collide and stick together. The quantities that always have equal magnitude for both masses during the collision are
A. their changes in momentum. B. the force each exerts on the other. C. their changes in kinetic energy. D. all of the above. E. only (a) and (b) above.