1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
A man throws balls with the same speed vertically upwards one after the other at an interval of 2 seconds. What should be the speed of the throw so that more than two balls are in the sky at any time ? (Given g = 9.8 m/s2)
A
more than 19.6 m/s
B
at least 9.8 m/s
C
any speed less than 19.6 m/s
D
only with speed 19.6 m/s.
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
If a ball is thrown vertically upwards with speed u, the distance covered during the last t seconds of its ascent is
A
ut
B
$${1 \over 2}$$ gt2
C
ut $$-$$ $${1 \over 2}$$ gt2
D
(u + gt) t.
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
The vector sum of two forces is perpendicular to their vector differences. In that case, the forces
A
are equal to each other
B
are equal to each other in magnitude
C
are not equal to each other in magnitude
D
cannot be predicted.
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
A particle moves along a circle of radius $$\left( {{{20} \over \pi }} \right)$$ m with constants tangential acceleration. If the velocity of vthe particle is 80 m/s at the end of the second revoluation after motion has begun, the tangential acceleration is
A
40 m/s2
B
640$$\pi $$ m/s2
C
160$$\pi $$ m/s2
D
40$$\pi $$ m/s2
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12