The function that models the scenario is
v = init_v + acceleration * time
Plug the values into the equation,
0 = 28 + a * 7 => -28 = a * 7 => a = - 28/7 m/s.
S=d/t
s=8.45km/0.65hr
s= 13km/hr
Therefore the speed is 13km/h.
Hope that helps :)
The least positive integer is 1. The greatest negative integer is -1.
Answer:
6
Step-by-step explanation:
Answer:
Jess used 40 blocks in total.
Step-by-step explanation:
First stack: 8 blocks
Second stack: First stack + 4 = 8 + 4 = 12 blocks
Third stack: Second stack + 8 = 12 + 8 = 20 blocks
Total number of blocks: First stack + Second stack + Third stack = 8 + 12 + 20 = 40 blocks
