1
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
A particle is moving with velocity $$\overrightarrow v = k\left( {y\widehat i + x\widehat j} \right)$$, where K is a constant. The general equation for its path is
A
y = x2 + constant
B
y2 = x + constant
C
xy = constant
D
y2 = x2 + constant
2
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
A small particle of mass $$m$$ is projected at an angle $$\theta $$ with the $$x$$-axis with an initial velocity $${v_0}$$ in the $$x$$-$$y$$ plane as shown in the figure. At a time $$t < {{{v_0}\sin \theta } \over g},$$ the angular momentum of the particle is ................,

AIEEE 2010 Physics - Motion Question 138 English

where $$\widehat i,\widehat j$$ and $$\widehat k$$ are unit vectors along $$x,y$$ and $$z$$-axis respectively.
A
$$ - mg\,{v_0}{t^2}\cos \theta \widehat j$$
B
$$mg\,{v_0}t\cos \theta \widehat k$$
C
$$ - {1 \over 2}mg\,{v_0}{t^2}\cos \,\theta \widehat k$$
D
$${1 \over 2}mg\,{v_0}{t^2}\cos \theta \widehat i$$
3
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
4
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
Consider a rubber ball freely falling from a height $$h=4.9$$ $$m$$ onto a horizontal elastic plate. Assume that the duration of collision is negligible and the collision with the plate is totally elastic.

Then the velocity as a function of time and the height as a function of time will be :
A
AIEEE 2009 Physics - Motion Question 139 English Option 1
B
AIEEE 2009 Physics - Motion Question 139 English Option 2
C
AIEEE 2009 Physics - Motion Question 139 English Option 3
D
AIEEE 2009 Physics - Motion Question 139 English Option 4
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