Answer:
2.7 m/s²
Explanation:
Average acceleration is change in velocity over change in time. Assuming the acceleration is constant, we can say it is equal to the average:
a = Δv / Δt
a = (6.0 m/s - 0 m/s) / 2.2 s
a ≈ 2.7 m/s²
centripetal acceleration is given by formula
given that
now we have
so the ratationa frequency is given by
Answer:
Average speed = 1.2 m/s
Average velocity = 0.4 m/s
Explanation:
Average speed = total distance/total time
Average speed = (40 + 20)/(40 + 10)
Average speed = 60/50
Average speed = 1.2 m/s
Average velocity = displacement/time
Now, she ran 40 m south and ran 20 m back north which is in the direction of where she began the journey.
Thus;
Displacement = 40 - 20 = 20 m
Average velocity = 20/50 = 0.4 m/s
Answer:
this depends on religion
Explanation:
some people believe in the big bang and some people believe in Jesus Christ and other gods.
big bang- Gravity
God- spoke
