Your school science club has devised a special event for homecoming. you've attached a rocket to the rear of a small car that has been decorated in the blue-and-gold school colors. the rocket provides a constant acceleration for 9.0s. as the rocket shuts off, a parachute opens and slows the car at a rate of 5.0m/s2. the car passes the judges' box in the center of the grandstand, 990m from the starting line, exactly 12s after you fire the rocket.

the aurora is formed when charged particles emitted from the sun during a solar flare penetrate the earth's magnetic shield and collide with atoms and molecules in our atmosphere. these collisions result in countless little bursts of light, called photons, which make up the aurora.

auroras are generated by charged solar particles hitting molecules in earth's atmosphere. this usually happens in high latitudes, because our planet’s magnetic field tends to funnel these particles toward the poles. that’s why it can be experienced in northern ohio.

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