Answer:
k = 5572 N/m
Explanation:
Energy stored in the spring:
1)
Kinetic energy of the car:
2)
Spring force:
3)
Combining equation 1 and 2 and solving for k:
4)
Using equation 3 and solve for x:
5)
Combining equation 4 and 5:
6)
THe best answer would be observation because you can see that all 3 are made up of water which you don't need to infer because you have the proof when you look at all 3 different types of precipitation.
I hope this helps you out.
Answer:
T = 2.5 s
Explanation:
T = 2π√(1.5/9.8) = 2.45817...