On Planet X, a ball on a massless, rigid rod oscillates as a simple pendulum with a period of 2.0s. If the pendulum is taken to the moon of Planet X, where the free-fall acceleration g is half as big, the period will be

a.2.8 s
b.4.0 s
c.2.0 s
d.1.4 s
e.1.0 s

spare some change and give it to the poor

explanation:

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i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

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pretty sure it's false