Answer:
a)
, b) 
Explanation:
a) The acceleration due to gravity inside the planet is:





b) The acceleration at the surface of the planet is:

Answer:
Other ball's velocity is 10 m/s
Explanation:
We can use conservation of momentum:

I think this answer is False because i believe the right lane is the slowest lane you could be in.
C. This is a direct current
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What is schematic Current?</h3>
An electrical schematic is a diagram that shows how all of the wires and components in an electronic circuit are connected.
The ability to read electrical schematics is a really useful skill to have. To start developing your schematic reading abilities,
it’s important to memorize the most common schematic symbols.
Each physical component (i.e resistor, capacitor, transistor) has a unique schematic symbol.
Learn more about Schematic current:
brainly.com/question/15193719
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