Select the correct answer. An object is acted upon by a force of 22 newtons to the right and a force of 13 newtons to the left. What is the magnitude and direction of th
net force?

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

Which of the choices are parts of an atom? select all that apply. a.) compound b.) electron c.) neutron d.) molecule e.) photon f.) proton g.) element