Answer: 
Explanation:
The acceleration of the motorcycle is given by

where
v=24 m/s is the final velocity of the motorcycle
u=15 m/s is the initial velocity
t=3 s is the time taken
Substituting these numbers into the equation, we find

Answer:
the Group 1A metals such as sodium and potassium form +1 charges,
Explanation:
Is this a book and most likely because the were cute
Runner 2 sees Runner 1 passing him with a velocity of 17 m/s west.
Answer:
Water
Explanation:
windmills were used to bring water to farms in ancient times.