Three positive charges a, b and c, and a negative charge d are placed in a lines as shown in the diagram. all four charges are of equal magnitude. the distances between a and b , b and c, and c and d are equal.

Ascientist is tracking an object orbiting the sun that is found between mars and jupiter. in order to classify the object as an asteroid, it must be at least

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?