Answer:
Because they need more energy.
Explanation:
Stars fuse elements in the first place to get energy. In turn, this makes the elements heavier.
Hope this helped.
Answer:
Duration of the total trip
Explanation:
Acceleration is defined as the rate of change of velocity of an object:
where
is the change in velocity
is the duration of the change in velocity
Acceleration is measured in meters per squared seconds, . Also, we should note that acceleration is a vector quantity, so in order to completely define acceleration we also need to specify the direction.
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Scalar will come I think.
Answer:
Density = Mass / Volume
Mass = .3 kg
Volume = 2 * 5 * 4 = 40 m^3
Density = .3 g / 40 m^3 = .0075 kg / m^3
1 kg/m^3 = kg * 1000 g / kg / (1 m^3 * (100 cm/m)^3) = 10E-3 gm/cm^3
Density = 7.5 E-3 gm/cm^3