Answer:
4
Explanation:
Divide 30 meters by 7.5 and you´re answer is 4. This is how I would think you solve the problem
energy=100×1.5=150 joules
applied force
any force where you push or pull is always applied force.
<em />
266.66 m/s
p=mv
1200=4.5v
v=266.66 m/s