Answer:

Explanation:
first ball rolls on the porch by total distance

Then again it will move on horizontal floor

also in vertical direction it will drop down

so we have



so magnitude of net displacement of the ball is given as


A material must readily accept electron flow to be a good conductor of electricity. Electrical conductors are electrical charge carriers with electrons that move with ease from atom to atom when charged with voltage. Examples of good conductors are copper, brass, steel, gold, and aluminum.
1 is c
2 is false
3 false
4 i think is c ont 100% though
The circuit component the symbol represents is: C) Battery
Answer:

Explanation:
You need to be careful with units for this problem. The force will be:


