a 4.1kg box of books is lifted verticaly from rest a distance of 1.6m with a constant up ward applied force of of 52.7N. find work done by the applied force ;the work done by gravity ;the final speed of the box​

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.

Mixing salt in water is an example of physical change