Answer:hot air
Explanation:Hot air goes up, so when you put it in a hot air balloon fire is placed at the oppening to creat hot air and lift the balloon! :)
F=ma
F=125 N
m= 50 kg
125=50a
a=2.5 m/s^2
Zinc plate used in the simple cell is not pure so impurities present in it provides a conducting path for the flow of charge. This makes zinc wasted. It is called the local action. It can be removed by using pure zinc or amalgamated zinc rod.
Answer:
X component= 46 N
Y component= 80 N
Magnitude =( 46 ^2 + 80^2 )^0.5 = 92.3 N