Answer:
option c
Explanation:
K.E=1/2mv(squared)
K.E=1/2x900x80x80
K.E=450x6400=2880000J
convert to KJ=2880000/1000=2880KJ
D is the answer
I hope it helps!
Answer:
The work could be either positive or negative, depending on the direction the object moves
Explanation:
C. A combined circuit
That’s the answer