A thiefs car is moving on a straight road with a speed of 80 km/h. It is
followed by a police car moving at a constant speed of 120 km/h, cromning a
T-point 20 s later than the thief's car. At what distance from the T-point, the
police car will catch the thief's car?
plz answer this question fast guys
Answers
Answered by
7
Answer:
Velocity of police v
p
=30km/h=
3
25
m/s
Velocity of thief v
t
=190km/h=
3
160
m/s
Velocity of bullet which police is fire v
b
=150m/s
final velocity of bullet muzzle from gun =v
b
+v
p
=150+
3
25
=
3
475
m/s
Let velocity of thief is Zero and seen with respect to thief. velocity of bullet w.r.t thief
v
b/t
=v
b
−v
t
=
3
475
−
3
160
=
3
315
=105m/s
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