Answer:
a weightlifter lifts a 20 kilogram barbell above his head
Answer is B or the ball because other options don’t have any velocity and it makes the kinetic energy zero for them .the formula is k=1/2mv^2
Ok so alison spends the morning then her desk is the desk
The answer is B because prometaphase is the start of everything hence the "pro" at the beginning of the word
I’m not sure but I think is the answer C