C the correct but not sure?
Answer:
When you release the opening of the balloon, gas quickly escapes to equalize the pressure inside with the air pressure outside of the balloon. The escaping air exerts a force on the balloon itself. ... That opposing force—called thrust, in this case—propels the rocket forward.
Answer:
A
Explanation:
just took a test on ed sorry if wrong I got it right
Answer:
1Mm
Explanation:
i think this one. so it is wrong then also dont be angry with me because iam trying to help u
Answer:
Net force on the wagon is 200 N
Explanation:
As we know by Newton's II law that net force on the system of mass is given as product of mass and acceleration
Here we know that
mass = 100 kg
a = 2 m/s/s
now we have
