The goal was to orbit a spacecraft around the Earth. It has people in it. So the answer is B.
Answer:the answers are a and d
Explanation:
I did the test sorry if wrong
Answer:
The independent variable is "controlled" or held constant in the control group.
Explanation:
By using the equation F=ma (Force = Mass*acceleration), the answer is 15,100 N for the first one and 1.25 m/s^2 for the second.