One plants don't orbit the sun, the earth does.
two true if its saying plants orbit the sun
My calculations state, not rounding, the mass is 1.8
Answer:

Explanation:
As per the formula of thermal expansion we know that

so here we will have



so here change in the length of the rod is given as




Answer:N=322.53 rpm
Explanation:
Given
Linear velocity (v)=1.25 m/s
Position from center is 3.7 cm
we know



and 


N=322.53 rpm
The Answer Is A
Hope This Helps !