It is made from a cut plastic bottle, 2 balloons, a tube, a stopper and a cut balloon. This model corresponds to the human lung model as shown. What will happen when the stretched band is pulled downwards? a. The balloons will expand
b. The balloons will contract
c. The balloons will be unchanged
d. The bottle will contract

Please answer this question ​

Aspaceship starting from a resting position accelerates at a constant rate of 9.8 meters per second per second. how far will the spaceship travel if its final speed is 1 percent the speed of light (300,000,000 m/s)? a. 3.1 × 106 m b. 2.94 × 108 m c. 7.8 × 1010 m d. 4.6 × 1013 m

Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.

The inner planets or call terrestrial because they