PLEASE HELP!!! SCIENCE QUESTION!
2 answers:
Answer:
C. Electronic charges have electric fields surrounding them that allow them to exert forces on other objects without touching them.
Explanation:
All the electric charges have electric field in the region surrounding them
This electric field is given as
above formula is the electric field due to a point charge in the surrounding region of it.
Now due to this electric field when other charges comes into this region they will experience electric force on them which is given as
due to above reason two charges either attract or repel each other
so correct answer will be
C. Electronic charges have electric fields surrounding them that allow them to exert forces on other objects without touching them.
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Answer:
V = 38.582 m/s
Explanation:
Initial Vertical Velocity = 0
Let's use the motion equation given below to solve for the final vertical velocity:
Here a = 9.81 m/s^2
and s = 30 m
Solving for v, we get:
v = 24.261 m/s
This is just the vertical velocity, to get the total velocity we need to add the horizontal component of velocity with this:
Total velocity = Sqrt ( Horizontal Velocity^2 + Vertical Velocity^2)
where and
V = 38.582 m/s