1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The relation between time t and distance x is t = ax2 + bx where a and b are constants. The acceleration is
A
2bv3
B
-2abv2
C
2av2
D
-2av3
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A parachutist after bailing out falls $$50$$ $$m$$ without friction. When parachute opens, it decelerates at $$2\,\,m/{s^2}.$$ He reaches the ground with a speed of $$3$$ $$m/s$$. At what height, did he bail out?
A
$$182$$ $$m$$
B
$$91$$ $$m$$
C
$$111$$ $$m$$
D
$$293$$ $$m$$
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
An automobile travelling with speed of 60 km/h, can brake to stop within a distance of 20 m. If the car is going twice as fast, i.e 120 km/h, the stopping distance will be
A
60 m
B
40 m
C
20 m
D
80 m
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
A ball is released from the top of a tower of height h meters. It takes T seconds to reach the ground. What is the position of the ball in $${T \over 3}$$ seconds?
A
$${{8h} \over 9}$$ meters from the ground
B
$${{7h} \over 9}$$ meters from the ground
C
$${h \over 9}$$ meters from the ground
D
$${{7h} \over {18}}$$ meters from the ground
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