Answer:
v = √(
)
Step-by-step explanation:
E=1/2mv²
v² = (
)
v = √(
)
1/3 ( 21m + 27 )
= 1/3 X 21m + 1/3 X 27
= 7m + 9 ..
Hope it helps !!!
if u hav any doubt then u can ask ....
Answer: 8,762.1 . The nearest tenth of a pound should be 2, the decimal throwing me off
Answer in the attachment.