A student on a go-cart (with a combined mass of 85 kg) moving at 6.2 m/s collides with a 15 kg cart initially at rest. As a result of the collision, momentum is transferred from the first cart to the second cart. The velocity of the student and cart is 5.06 m/s after the collision. The collision lasts for 0.05 s. What is the absolute value of the force that acts during this collision

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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.