A child slides down an icy hill on a tube. Once the child reaches the flat surface at the bottom of the hill, she is traveling at a speed of 15 m/s. If the coefficient of kinetic friction between the tube and the snow is 0.15 and the combined mass of the child-sled system is 40-kg, how far will the child slide before coming to rest?

Which two particles are found in the center of an atom

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?

What effect does the sun have on the earth. written response