Author Question: A toy rocket, of mass 60 g, achieves a velocity of 80 m/s after 3.0 s when fired straight up. What ... (Read 80 times)

mia · **on:** Jul 27, 2018

A toy rocket, of mass 60 g, achieves a velocity of 80 m/s after 3.0 s when fired straight up. What average thrust force does the rocket engine exert?

A) 3.4 N
B) 1.2 N
C) 2.2 N
D) 3.3 N
E) 1.6 N

Question 2

As global warming raises the moisture content in our atmosphere, storms will

A) become less numerous and less severe
B) disappear all together
C) become less numerous but more severe
D) become more numerous and severe