Answer:
D
Step-by-step explanation:
because I remember doing this before
For acceleration use this formula: (v-u) /t
V is the final velocity
U is the intial velocity and t is time.
For speed u hav to calculate the the total distance and total time then use this formula:
Average speed=
Total distance / Total time
Answer:
ten and a half
Step-by-step explanation:
2×3.5= 7
3×3.5= 10.5