a ball of mass 0.5 kg is released from rest at a height of 30 m. how fast is it going when it hits the ground? acceleration due
1 answer:
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Answer:
The net charge on the shell is 30x10^-9C
Explanation:
Pls see attached file
Answer:
3.53*10^{-7} m
Explanation:
Photon that can rupture the bonds are those with the energy of the bond dissociation energy. If we want to know the energy for each molecule we have to take into account that:
Hence, we have
but the energy is also:
where h is the Planck's constant and c is the speed of ligth. By replacing we obtain:
hope this helps!