Shawn and his bike have a total mass of 47.6 kg. shawn rides his bike 2.1 km in 14.2 min at a constant velocity. the acceleration of gravity is 9.8 m/s 2 . what is shawn's kinetic energy? answer in units of j.

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

You can melt ice by applying pressure because the solid/liquid line has a slope.

Diego kicks a soccer ball from the end line. his fellow students time and mark the soccer ball as it moves down the field. the graph represents the ball's progress. based on the graph, during what time is the velocity constant and positive?