I believe it is -1.11 m/s^2. I will let you know if its correct
C.) In this, number of Hydrogen atoms is 4
I'm pretty sure its d. because depends what tipe of dog it is there are some that see different colors so I'm pretty sure its d.
You would do m*a so 65kg * 9.8 m/s^2 which equates to 637 Newton’s
