Earth Science Final - Number questions

Question 1

What is the temperature?

Accepted Answer

31

Question 2

Which wave type can travel through both solid and liquid?

Accepted Answer

P waves

Question 3

A river has a discharge of 30 m3/s and an area of 5m2. What is the velocity?

Accepted Answer

6 m/s

Question 4

50 grams of a sample has a half life of 3 days. How many half lives to end with 12.5 grams?

Accepted Answer

2

Question 5

Which direction is the wind traveling?

Accepted Answer

towards SW

Question 6

What is the wind speed?

Accepted Answer

15

Question 7

How long does it take for the the second wave to show up?

Accepted Answer

1 min

Question 8

100 grams of an unstable isotope. 8 days later there are 25 grams left. What is the halflife?

Accepted Answer

4 days

Question 9

Do we see the P wave or the S wave first?

Accepted Answer

P wave

Question 10

A river has a velocity of 5m/s and an area of 8m2. What is the discharge?

Accepted Answer

40 m3/s

Questions 10