1
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
A particle has an initial velocity $$3\widehat i + 4\widehat j$$ and an acceleration of $$0.4\widehat i + 0.3\widehat j$$. Its speed after 10 s is:
A
$$7\sqrt 2 $$ units
B
7 units
C
8.5 units
D
10 units
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A particle is moving eastwards with a velocity of 5 m/s. In 10 seconds the velocity changes to 5 m/s northwards. The average acceleration in this time is
A
$${1 \over 2}m{s^{ - 2}}$$ towards north
B
$${1 \over {\sqrt 2 }}m{s^{ - 2}}$$ towards north-east
C
$${1 \over {\sqrt 2 }}m{s^{ - 2}}$$ towards north-west
D
zero
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
A projectile can have the same range 'R' for two angles of projection. If T1 and T2 be the time of flights in the two cases, then the product of the two time of flights is directly proportional to
A
R
B
$${1 \over R}$$
C
$${1 \over {{R^2}}}$$
D
$${R^2}$$
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
A ball is thrown from a point with a speed ν0 at an angle of projection θ. From the same point and at the same instant person starts running with a constant speed $${{{v_0}} \over 2}$$ to catch the ball. Will the person be able to catch the ball? If yes, what should be the angle of projection θ?
A
No
B
Yes, $$30^\circ $$
C
Yes, $$60^\circ $$
D
Yes, $$45^\circ $$
JEE Main Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12