10 8
2. The graph shows the data for an experiment
that uses a rubber band to launch small
rockets of different masses straight up.
The rubber band is stretched the same
amount for each rocket. Answer the
following questions based on the graph.
Height (m)
O NO
a. What is the independent variable in this
experiment and what is its range of values?
o
50
200
100 150
Mass (g)

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.