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 13 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 12 English
A
$${{2g} \over 3}$$
B
$${g \over 3}$$
C
$${g \over 9}$$
D
$${g \over 7}$$.
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
If $$\overrightarrow F = \left( {60\widehat i + 15\widehat j - 3\widehat k} \right)$$ N and $$\overrightarrow v = \left( {2\widehat i - 4\widehat j + 5\widehat k} \right)$$ m/s, then instantaneous power is
A
195 watt
B
45 watt
C
75 watt
D
100 watt.
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
A mass of 1 kg is thrown up with a velocity of 100 m/s. After 5 seconds, it explodes into two parts. One part of mass 400 g comes down with a velocity 25 m/s. The velocity of other part is (Take g = 10 ms$$-$$2)
A
40 m/s
B
50 m/s
C
100 m/s
D
60 m/s
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