Which feature of an object affects its weight? Select three options.

mass of the object
shape of the object
location of the object
how much energy the object has
or how much force Earth exerts on the object

What is the fate of the electrons that interact with a specimen in an electron microscope?

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?