6b04480b4f523ca59eb51946fd6ed3a4.ppt
- Количество слайдов: 7
One mole of the carbon-12 isotope contains 6. 022 x 1023 atoms. What volume in m 3 would be needed to store one mole of cube-shaped children's blocks 6. 00 cm long on each side? Select the correct answer. 1. 2. 3. 4. 5. 1. 3 x 1020 1. 3 x 1026 3. 6 x 1022 3. 6 x 1024 6. 0 x 1023 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
The quantity with the same units as angular momentum, mvr, with dimensions ML 2 T-1 is ____. Select the correct answer. 1. 2. 3. 4. 5. mv 2 t mvt mrt mg mv 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
The equation for the change of position of a train starting at x = 0 m is given by The dimensions of a are _____. Select the correct answer. 1. 2. 3. 4. 5. LT-2 LT-1 L 2 T-2 L-2 T-2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
One U. S. fluid gallon contains a volume of 231 cubic inches. How many liters of gasoline would you have to buy in Canada to fill a 20 gallon tank? (Note: 1 L = 103 cm 3. ) Select the correct answer. 1. 2. 3. 4. 5. 76 30 12 5 46 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
The is the kinetic energy of an object, with m being the mass of an object and v its speed. The dimensions of this term are _____. Select the correct answer. 1. 2. 3. 4. 5. ML 2 T-2 M-1 L 2 T-2 ML-3 T-2 M-1 L 2 T-4 ML-3 T-4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
The speed of an object is defined as _____. Select the correct answer. 1. 2. 3. 4. 5. the distance traveled in a unit of time the time needed to travel the unit distance the change in time with distance the acceleration in a unit of time the acceleration needed to travel the unit distance 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
If you drove day and night without stopping for 6 months without exceeding the legal highway speed limit in the United States, the maximum number of miles you could drive would be closest to _____. Select the correct answer. 1. 2. 3. 4. 5. 5000 20000 300000 20000000 100000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
6b04480b4f523ca59eb51946fd6ed3a4.ppt