1
AIPMT 2011 Prelims
+4
-1
A boy standing at the top of a tower of 20 m height drops a stone. Assuming g = 10 m s$$-$$2, the velocity with which it hits the ground is
A
10.0 m/s
B
20.0 m/s
C
40.0 m/s
D
5.0 m/s
2
AIPMT 2010 Prelims
+4
-1
A particle moves a distance x in time t according to equation x = (t + 5)$$-$$1. The acceleration of particle is proportional to
A
(velocity)3/2
B
(distance)2
C
(distance)$$-$$2
D
(velocity)2/3
3
AIPMT 2010 Prelims
+4
-1
A ball is dropped from a high rise platform at t = 0 starting from rest. After 6 seconds another ball is thrown downwards from the same platform with a speed v. The two balls meet at t = 18 s. What is the value of v?
(Take g = 10 m/s2)
A
75 m/s
B
55 m/s
C
40 m/s
D
60 m/s
4
AIPMT 2009
+4
-1
A bus is moving with a speed of 10 ms$$-$$1 on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist, with what speed should the scooterist chase the bus ?
A
40 m s$$-$$1
B
25 m s$$-$$1
C
10 m s$$-$$1
D
20 m s$$-$$1
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