Answer:
11
Step-by-step explanation:
Hope this helps you! 'v'
Answer:
should be 489.13
Step-by-step explanation:
Answer:
25
Step-by-step explanation:
18 / 9 = 2 (Order of operations
2+3 = 5
30 - 5 = 25
#1. 720 Nm
Work = force x distance
Work = 80N x 9m = 720 Nm
#2. 90J
Assume no energy lost in the process,
<span>Kinectic energy=(80N - 70N) x 9m
= 90J
#3. 630J
Heat energy = work - kinetic energy
Heat energy = 720J - 90J
= 630J</span>
Answer:
10
Step-by-step explanation:
200-65= 135
135/13.5=10