Answer:
We have for velocity of package v= 20 - 9.8t and for distance from the ground y = h + 20t - 4.9t2.
We have y = 0 and t = 18.0 s we have h = 4.9·182 - 20·18 = 1227.6 m.
Velocity at landing v = 20 - 9.8·18 = - 156.4 m/s
Answer:
C
Step-by-step explanation:
80 is less than 81, but more than 68.
Answer:
draw a rectangle
Step-by-step explanation:
a rectangle has 2 long sides and 2 short ones it has 2 sets of simailer and has 2 perpundicular
Answer:
only student ll (2)
Step-by-step explanation: