Answer:
C. 1.00 m/s^2
Explanation:
We can solve the problem by using Newton's second law:

where
F is the net force acting on an object
m is the mass of the object
a is its acceleration
In this case, the net force applied by Amber is F=35 N, while the total mass of the brother+the wagon is

Therefore, we can re-arrange the previous equation to find the acceleration:

Answer:
Here are all the possible meanings and translations of the word gravitational energy. Gravitational energy is the potential energy associated with the gravitational field. This phrase is found frequently in scientific writings about quasars and other active galaxies. Quasars generate and emit their energy from a very small region.
Explanation:
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My guess would be 101 kPa but I'm not 100% sure, sorry.