Answer:
So percentage error will be 2 %
Explanation:
We have given initial value of acceleration due to gravity 
And final value of acceleration due to gravity 
We have to find the percentage error
We know that percentage error is given by 
So
%
Answer:
sorry, but the Question at hand is to hard for my delicate mind
Explanation:
Answer: 5Hz
Explanation: Frequency = Wave speed divided by wavelength.
D is the point where the planet moves the fastest. This is because it is in the perihelion, where the planet is moving at it’s fastest pace
Answer:
C
Explanation:
Most probable exchange of ions occurs for option C.