TESTBANK for Physics Seville

Physics seville testbank - 490+ Pages. Includes questions from all chapters

1. Since 1983 the standard meter has been defined in terms of which of the following?
2. Since 1967 the standard definition for the second has been based on which of the following?
3. In mechanics, physicists use three basic quantities to derive additional quantities. Mass is one of the three quantities. What are the other two?
4. The prefixes which are abbreviated p, n, and G represent which of the following?
5. The ratio M/m of the prefixes M and m has what value?
6. One year is about ____ seconds while one day is exactly ____ seconds.
7. The nuclei of atoms contain
8. When was the existence of the neutron confirmed?
9. The proton contains which of the following combination of quarks?
10. Which formula is dimensionally consistent with an expression yielding a value for velocity? (a is acceleration, x is distance, and t is time)
11. Which expression is dimensionally consistent with an expression that would yield a value for time-1? (v is velocity, x is distance, and t is time)
12. If the displacement of an object, x, is related to velocity, v, according to the relation x = Av, the constant,
A, has the dimension of which of the following?
13. The speed of a boat is often given in knots. If a speed of 5 knots were expressed in the SI system of units, the units would be:
14. If a is acceleration, v is velocity, x is position, and t is time, then which equation is not dimensionally correct?
15. Suppose an equation relating position, x, to time, t, is given by x = b t3 + c t4, where b and c are constants.
The dimensions of b and c are respectively:
16. Areas always have dimensions ____ while volumes always have dimensions ____.
17. Which one of the choices below represents the preferred practice regarding significant figures when adding the following: 12.4 + 11 + 67.37 + 4.201?
18. Which one of the choices below represents the preferred practice regarding significant figures when multiplying the following: 10.5 ¥ 8.8 ¥ 3.14?
19. Calculate (0.82 + 0.042) ¥ (4.4 ¥ 103), keeping only significant figures.
20. The length and width of a standard sheet of paper is measured, and then the area is found by calculation to be 93.50 in2. The number of significant figures in the width measurement must be at least:
21. The number 0.000 17 has how many significant figures?
22. Multiplying a 2 significant figure number by a 3 significant figure number and then dividing the product by a six significant figure number yields a number with how many significant figures?
23. Assume when using a meter stick measuring can be done so that the last significant figure is in the tenth of a millimeter digit. If you are measuring an object with length between 6 and 7 cm, how many significant figures will result if you only use the part of the meter stick between the 1-cm and 9-cm positions?
24. Assume when using a meter stick measuring can be done so that the last significant figure is in the tenth of a millimeter digit. If you are measuring an object with length between 6 and 7 cm, how many significant figures will result if you only use the part of the meter stick between the 82- and 95-cm positions?
25. Assume when using a meter stick measuring can be done so that the last significant figure is in the tenth of a millimeter digit. If you are measuring an object with length between 25 and 57 cm, how many significant figures will result if you only use the part of the meter stick between the 2- and 95-cm positions?