Calculate the net acceleration acting on a 50 kg box being pushed across a horizontal floor. There is a 500 N normal force, a 200 N applied force, and a 60 N force of friction resisting any sliding motion. Assume g = 10 m/s2

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

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?