Somebody help me please i'm tired of trying to solve this problem. (i) Describe the motion of the dog between:

1.) A and B _
2.) B and C _
3.) C and D _
4.) D and E _
5.) E and F _
6.) F and G _

7.) what is the velocity of the dog between B and C?_ 8.)what is the velocity of the dog between E and F? _

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ