1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The velocity v of a particle at time t is given by v = at + $${b \over {t + c}}$$, where a, b and c are constants. The dimensions of a, b and c are
A
[L], [LT] and [LT$$-$$2]
B
[LT$$-$$2], [L] and [T]
C
[L2], [T] and [LT$$-$$2]
D
[LT$$-$$2], and [LT] and [L]
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Two bodies A (of mass 1 kg) and B (of mass 3 kg) are dropped from heights of 16 m and 25 m, respectively. The ratio of the time taken by them to reach the ground is
A
4/5
B
5/4
C
12/5
D
5/12
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 seconds for every circular lap. The average velocity and average speed for each circular lap respectively is
A
10 m/s, 0
B
0, 0
C
0, 10 m/s
D
10 m/s, 10 m/s.
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A particle moves along a straight line OX. At a time t (in seconds) the distance x (in metres) of the particle from O is given by x = 40 + 12t $$-$$ t3. How long would the particle travel before coming to rest ?
A
16 m
B
24 m
C
40 m
D
56 m
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