Abody cools down from 62c to 50c in 10 minutes when the temperature of the surroundings is 26c. the temperature of the body after the next 10 min. will be :
a - 38c
b - 40c
c - 42c
d - 44c
kindly answer

How do we measure or think of speed in the united states?

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The protons in a nucleus are approximately 2 ✕ 10^−15 m apart. consider the case where the protons are a distance d = 1.93 ✕ 10^−15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.