Which best describes the current atomic theory? a since it is only a theory it shouldn’t be used in practice b it has not been tested enough to be useful for developing technology c it is the most powerful explanation scientist have to offer at this time d there is very lil change it will be changed in the future

In physics the desire of an object to keep doing what it is doing is termed?

As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. there is no one around to , so you attach an ideal pulley to the box and a massless rope to the ceiling, which you wrap around the pulley. you pull up on the rope to lift the box. use g for the magnitude of the acceleration due to gravity and neglect friction forces. once you have pulled hard enough to start the box moving upward, what is the magnitude f of the upward force you must apply to the rope to start raising the box with constant velocity? express the magnitude of the force in terms of m, the mass of the box.

Which of the following is the best name for mgcl2