Answer:
y = 10
Step-by-step explanation:
40 = 4y
y = 40 : 4
y = 10
Answer:800
Step-by-step explanation:
dont know
Answer:
w = 0
Step-by-step explanation:
Answer:
B. 3.34s
Step-by-step explanation:
Find t when the object hit the ground, h(t)=0.
h(t)=-16t²+178
0=-16t²+178
16t²=178
t²=11.125
t=√11.125=3.33541601603s