Answer:
90 km/h
Explanation:
60 x 1.5
Answer:
i beileve the answer is A
Explanation:
Answer:
1/4
Explanation:
The period of a simple pendulum is:
T = 2π √(L/g)
At half the period:
T/2
= π √(L/g)
= 2π √(L/(4g))
= 2π √((L/4)/g)
So the length would have to be shortened by a factor of 1/4.
Answer:
mercury
Explanation:
Answer:
earthquake does not belong to electromagnetic waves