PLEASE HELP OUTT 20 POINTSSS A 400g mass is resting on an index card.

Show your work in determining the weight and the normal force acting on the object.

Draw force vectors for those same two forces, weight and normal force (remote/concurrent students may edit the drawing to include the vectors).

If the sled were pushed with increasing force until it started moving. The force recorded at the instant the sled began to move is 4.38N. What is the acceleration at that very instant?

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?