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A rocket with a lift-off mass 20,000 kg is blasted upwards with a an initial acceleration of 5 m/s^2 .Calculate:- the initial force of the blast :- 1) 1 x 10^5 N 2) 3 x 10^5 N 3) 2 x 10^5 N 4) 4 x 10^5 N ...
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The volume of helium is 44.8 L at (a) 100° C and 1 atm (b) 0° C and 1 atm (c) 0° C and 0.5 atm d) 100° C and 0.5 atm ...
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Supposing the energy of fourth shell for hydrogen atom is – 50 a.u. (arbitrary unit). What would be its ionization potential a)50 b)800 c)15.4 d)20.8 what is ionization potential? ...
