Why was the Hijrah important? It signaled that Muhammad was no longer going to bow to rebels. It described the renovation of the Kaaba. It brought a large group of Muslims to Mecca It marked the beginning of the Islamic era.

It marked the beginning of the Islamic era.

Explanation:

Hijrah or also known as Hejira is an important event in the Muslim religion. It marks the event of Prophet Muhammad's pilgrimage from the holy city of Mecca to Medina after he learned of some plots regarding his assassination. In order to save himself from being attacked, he secretly left Mecca and journeyed till Medina, which was at that time called Yathrib. This event of 622 CE signifies the start of the Muslim or Islamic era.

a. formula: f=ma or f/m=a

10,000n/1,267kg≈7.9m/

b. formula: a= and s=d/t

speed= 394.6/15

s=26.3m/s

a=

a=1.75m/

c. 7.9-1.75=difference of 6.15m/

d. the force that most likely caused this difference is friction forces

the correct answer is d