UI IU m s-1 collides with, ar
block of mass 5 kg. Then t
same straight line. Calculat
the impact and just after the
of the combined object.
An object of mass 100 kg is
of 5 m s-l to 8 m s-l in.

c. its asking which of the words need an accent mark. its spelled biografía

the answer is c. estudió

explanation:

to translate: last year a group from my school went to cuba and studied the history of the island. you would use preterite form because it was one time and they use fue in the sentence.