Which feature of the sun is caused due to an eruption of high-energy radiation? corona prominence solar flare sunspot

The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s

The dot diagram represents the motion of the motorcycle as it moves from left to right

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight