a) uniform velocity
b) zero or no acceleration
c) (see picture)
EXPLANATION:
(see picture)
Answer:

Explanation:
The gravitational force between two objects is given by

where
G is the gravitational constant
m1, m2 are the two masses
r is the separation between the two masses
In this problem, we have
the mass of each truck
r = 2.0 m is their separation
Substituting,

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Electromagnetic radiation
What following terms I don’t see any please make your question clear