Find the acceloration for xf=2.5m+(8.7m/s)t+(2.9m/s2)t2 When i put in 2.9 m/s2 it said i was wrong

Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency

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?

Carmen is load furniture and boxes onto a moving truck. she picks up boxes of her things, places them on a cart, and pushes the cart to the moving van. which term best describes the type of force carmen uses? a. contact b. friction c. gravity d. noncontact