Answer:
declaration = - 0.55 m/s²
Step-by-step explanation:
The declaration is a negative accelaration.
Therefore:

a = ?
v = 70 of 15% = 10.5 km/h to m/s = 2.9 m/s
u = 70 km/h to m/s = 19.4 m/s
t = 30 seconds

a = - 0.55 m/s²
what can you explain your question a bit more
Answer:
x=square root of 112
Step-by-step explanation:
to solve this equation we use inverse operations so we take the square root of 112 so x = √112
Answer:
17.64
Step-by-step explanation:
Multiply normally, then at the end go to the left 2 times.
Answer:
Step-by-step explanation: see attachment below