30 grams because of conservation
Just be preprared. No matter how old you are, remember to stay away from drama, it won't matter later on. Just study and you'll be fine. and take deep breaths.
Answer:
two negative objects
two positive objects
a negative object and a positive object
Explanation:
The electric force is the force exerted by two charged objects. This means that this force can exist only if both objects have a non-zero charge: so, both object must be charged. This statement rules out all the options where there is at least one neutral object, since the electric force does not act on neutral object: therefore, the only possible options are
two negative objects
two positive objects
a negative object and a positive object
Answer:
5m
Explanation:
Use the Pythagorean theorem to calculate the long edge of the triangle, which would be his displacement.
