1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The co-ordinates of a moving particle at any time 't' are given by x = $$\alpha $$t3 and y = βt3. The speed to the particle at time 't' is given by
A
$$3t\sqrt {{\alpha ^2} + {\beta ^2}} $$
B
$$3{t^2}\sqrt {{\alpha ^2} + {\beta ^2}} $$
C
$${t^2}\sqrt {{\alpha ^2} + {\beta ^2}} $$
D
$$\sqrt {{\alpha ^2} + {\beta ^2}} $$
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
From a building two balls A and B are thrown such that A is thrown upwards and B downwards ( both vertically with the same speed ). If vA and vB are their respective velocities on reaching the ground, then
A
$${v_B} > {v_A}$$
B
$${v_A} = {v_B}$$
C
$${v_A} > {v_B}$$
D
their velocities depend on their masses.
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Speeds of two identical cars are $$u $$ and $$4$$$$u $$ at the specific instant. The ratio of the respective distances in which the two cars are stopped from that instant is :
A
$$1:1$$
B
$$1:4$$
C
$$1:8$$
D
$$1:16$$
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