Answer:

Explanation:
1. Given that,
Initial speed of a bicycle, u = 4 m/s
The final speed of a bicycle, v = 6 m/s
Time, t = 6 s
We need to find the acceleration of the bicycle. We know that, acceleration is equal to the change in speed divided by time taken. So,

So, the acceleration of the bicycle is equal to
.
The masses are always equal. Since matter can not be created nor destroyed, you will have the same amount of mass as you did before the reaction as you do after.
Answer:
8 oxygen. 9 flourine. 10. Neon. 5 Boron
Answer:
It does not dissolve in water. It changes color after heating, It cannot be physically broken down into different types of atoms.
Explanation:
hope that helps