What is the silica content of magma that has a low viscosity??
2 answers:
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Answer:
420m
Explanation:
Given parameters:
Time = 5minutes
Average speed = 1.4m/s
Unknown:
Distance covered = ?
Solution:
Speed is the rate of change of distance with time.
Mathematically;
Speed =
Distance = speed x time
Insert the parameters and solve;
Convert the time to seconds;
1 minute = 60s
5 minute = 5 x 60 = 300s
So,
Insert the parameters and find the distance;
Distance = 300 x 1.4 = 420m
Answer:
g/9
Explanation:
length of the pendulum = L
time period on the earth = T
Time period on the planet = 3T
Let the acceleration due to gravity on the earth is g and on the planet is g'.
Use the formula for the time period of a simple pendulum for the time period on earth
.... (1)
Time period on the surface of planet is
.... (2)
Divide equation (2) by equation (1)
g' = g/9
Thus, the acceleration due to gravity on the planet is g /9