1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Motion of a particle is given by equation s = (3t3 + 7t2 + 14t + 8) m. The value of acceleration of the particle at t = 1 sec is
A
10 m/s2
B
32 m/s2
C
23 m/s2
D
16 m/s2
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
The width of river is 1 km. The velocity of boat is 5 km/hr. The boat covered the width of river in shortest time 15 min. Then the velocity of river stream is
A
3 km/hr
B
4 km/hr
C
$$\sqrt {29} $$ km/hr
D
$$\sqrt {41} $$ km/hr.
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Two masses as shown in the figure are suspended from a massless pulley. The acceleration of the system when masses are left free is

AIPMT 2000 Physics - Laws of Motion Question 18 English
A
$${{2g} \over 3}$$
B
$${g \over 3}$$
C
$${g \over 9}$$
D
$${g \over 7}$$.
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
A man is slipping on a frictionless inclined plane and a bag falls down from the same height. Then the velocity of both is related as
A
$${v_B} > {v_m}$$
B
$${v_B} < {v_m}$$
C
$${v_B} = {v_m}$$
D
$${v_B}$$ and $${v_m}$$ can't be related.