1. Which of the following statement is correct? A. You should panic when earthquake hits.
B. You should run while the earthquake is going on,
C. You should not follow what the proper authorities will tell you.
D. You should prepare an emergency plan to cope with the disaster.
2. What should you do during an earthquake?
A. You should run out of the house.
B. You should duck, cover, and hold.
C. You should panic and stay only inside the house.
D. You should lock your door so that nobody can enter,​

A. You should panic when earthquake hits. ❌

B. You should run while the earthquake is going on. ❌

C. You should not follow what the proper authorities will tell you. ❌

✅

........................................................................

A. You should run out of the house. ❌

✅

C. You should panic and stay only inside the house. ❌

D. You should lock your door so that nobody can enter. ❌

........................................................................

temp rises, and expansion

force is mass*acceleration.

we have a very small mass: 11.4*0.001 kg

if we want 0.035n of force, we need an acceleration:

0.035 = 11.4*0.001*a

a = 0.035/(11.4*0.001) m/s^2