Answer:
6.667 m/s
Explanation:
500 meters = 75 seconds
500 meters / 75 seconds = 6.667 m/s
Not 100% sire but I think it'd be Yellow since we see red and green light together as Yellow
a) uniform velocity
b) zero or no acceleration
c) (see picture)
EXPLANATION:
(see picture)
It is a very reactive metal with 11 protons ,12 neutrons, 11 electrons, and 1 valence electron
The mass of the truck is needed because momentum=mass×velocity.