Guys No one's answering my question so sad! Once again I'm asking the same question –Here Chapter Name :- Vector

Question :- A car is moving at Vc speed. Rain is falling vertically at a speed of 10 m / s. What is the value of Vc in this case, if the front glass of the car will get wet? Answer :- Vc ≥ 10

Once again, I need Explanation! If you don’t know then no need to answer!

Which feature indicates that mars resides in the inner region of the solar system

Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s.when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?

The inner planets or call terrestrial because they