The second statement is the correct choice. Don't make me type it out.
Answer:19.32 m/s
Explanation:
Given
initial speed of car(u)=4.92 m/s
acceleration(a)=
Speed of car after 4.5 s
using equation of motion
v=u+at

v=19.32 m/s
Displacement of the car after 4.5 s



s=54.54 m
Answer:
false. it's positive terminal of an electric cell
Answer:
yes 20 characters or more
Explanation:
60 RPM equals one hertz (i.e., one revolution per second, or a period of one second). The SI unit for period is the second.