Answer:
Explanation:
dwarf planet is closer to the Sun in its orbit, it probably warms up. And methane and ethane are gases then, and form an atmosphere.
Answer:
20 N to the left
Explanation:
For the first question, add the two forces as they are acting in the same direction.
So, 8 + 12 = 20 N to the left
Answer:
wash your hands and social distance
Explanation:
Answer:
(E)56.0 m/s
Explanation:
Height =h=-160 m
Because the wallet moving in downward direction
Time=t=7 s
Final speed of wallet=v=0
We have to find the speed of helicopter ascending at the moment when the passenger let go of the wallet.

Where 
Substitute the values



Option (E) is true