Answer:a)battery
B)ironer
Explanation:
Answer:
98,000J
Given parameters :
Mass = 2000kg
Height = 5m
Time = 10s
P. E = mgh
P. E = 2000x 5x 9.8
P.E = 98,000J
Force exerted by the air on the propellers = 46000 - 9200
= 36800 N
Hope this helps!