1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
A body of mass 3 kg hits a wall at an angle of 60o and returns at the same angle. The impact time was 0.2 sec. The force exerted on the wall

AIPMT 2000 Physics - Laws of Motion Question 16 English
A
150$${\sqrt 3 }$$ N
B
50$${\sqrt 3 }$$ N
C
100 N
D
75$${\sqrt 3 }$$ N.
2
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 15 English
A
$${{2g} \over 3}$$
B
$${g \over 3}$$
C
$${g \over 9}$$
D
$${g \over 7}$$.
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