A car starts from rest and accelerates at 
. At 
, a ball is dropped out of a
window by a person sitting in the car. What is the velocity and acceleration of the ball at 
? (Take, 
) [NEET 2021]
Text Solution
Verified by ExpertsD
Given,
The acceleration of a car, 
At 
At 
, the ball is dropped out of a window by a person sitting in the car.
The velocity of the ball in the 
-direction,
(due to the car)
Therefore, in the 
-direction,
The net velocity at 
,
Thus, the velocity of the ball at 
is 
. and there is no acceleration in the 
-direction,
In 
-direction, 
Now, we shall determine the net acceleration at 
,
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