One end of a 50 kg mass is attached to two vertical springs in parallel. each spring has a spring constant of 20 n/m. when the spring is pulled back and released, what is the spring’speriod?
a. 14.049 s
b. 7.02 s
c. 14 s
d. 7.0 s
e. 0.14 s

The moon does not have an atmosphere hence it has no magnetic field and is too small to have an atmosphere. Another reason why is because the moon has a weak gravitational field. Gravity helps the moon hold on to its atmosphere, the moon is small leaving no atmosphere on the moon.

Your answer is D. The moon almost has no gravity thus it cannot hold onto the gas molecules. The gravity on earth is in fact weak which is also the other reason it cannot hold onto the gas molecules. Your answer is most definitely D, The moon's gravity is too weak to hold onto gas molecules.

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