Answer:
How long does the ball fall is t_2 = 13.66 (s).
From what height is the ball originally dropped is h= 913.90 (m).
Explanation:
F = ma = -kx
a = 9.81 m/s²
k = 3430 N/m
m = 70 kg
x = - ma/ k = 0.2m
C. is the only double reaction here given that a double replacement reaction involves two compounds that exchange previous components, and C is the only solution with two compounds present
Answer:
Sodium formate is the sodium salt of formic acid which is given as HCOONa.
Explanation:
The basic structure of Sodium formate consists of following bonds:
- The main Ionic bond between the
radical and
. - The sigma covalent bonds between atom of H, atom of C and both atoms of O.
- The pi bond between atom of C and one atom of O.
The structure along with lone pairs is given as attached