A particle moves for 50 seconds. It first accelerates from rest and then retards to rest. If the
retardation be 5 times the accelcration then the time for retardation is:
A
second
B
second
C
25 second
D
second
Text Solution
Verified by ExpertsThe correct answer is:
A
Let the particle accelerates with acceleration 
for time 
, and retard with retardation 
for 
.
CASE – 1 CASE-2
Initial velocity of case 2 is equal to the final velocity of Case 1.
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