siesl d
) The density of ice is ……….. than that of water.
(22) The symbol of density is ρ and it is a …….. quantity.
(23) The SI unit for pressure is …….. .
(24) The total momentum of an …….. system is constant.
(25) The product of mass to velocity is ……… .
(26) The acceleration due to the gravitational force is called acceleration due to ……… .
(27) For free-fall motion, a body will fall onto the ground with constant ……… .
(28) At maximum height the final velocity is ……… .
.The earth can be regarded as a ………. . 22.clock
- The age of universe is ……… s. 23.2 x 1018
24…….. is the language of physics. 24.Mathematics - There are ……. seconds in one year. 25.3.17 x 107
- The size of the universe is ……… time larger than that of an elementary particle. 26.1041
- A 45 mih-1 is equal to …….. fts-1. 27.66
28.A metre stick is …. than the yard stick. 28.longer - One gram is equal to …. kg. 29.10-3
- Physics is the subject which studies ………. phenomena. 30.natural
Key>>>
1.unit 2. standard 3. basic 4.derived 5. FPS
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