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NEET, JEE-MAIN, MHT-CET-XI - New Syllabus (MH), MHT-CET-XII - New Syllabus (MH), K-CET
Time : 60 Min Phy : Subjectwise Paper Marks : 40
01) The position of a particle moving along the x-axis at certain times is given below: which of the following describes the motion correctly? t (s) 0 1 2 3 x (m) -2 0 6 16
A) Uniform, accelerated. B) Non-uniform, accelerated. C) Uniform, decelerated. D) There is not enough data for generalization.
02) A body starting from rest moves with constant acceleration. The ratio of distance covered by the body during the 5th second to that covered in 5 seconds is A) 1/ B) 3/ C) 9/ D) 25/
03) A particle shows distance-time curve as given in this figure. The maximum instantaneous velocity of the particle is around the point (2008)
04) A particle moves along a straight line such that its displacement at any time t is given by
s t^3 6t^2 3t 4 metres. The velocity when
the acceleration is zero is (1994) A) 3 m /s
B) 42 m /s
C) 9 m /s
D) 15 m /s
05) Which of the following velocity-time graph represents a realistic situation for a body in motion?
06) A boy standing at the top of a tower of 20 m height drops a stone. Assuming g ms ^2 , what will be the velocity with which it hits the ground? A) 20 m/s B) 5 m/s C) 10 m/s D) 40 m/s
07) A body is projected vertically upwards. The times corresponding to height h, while ascending and while descending are t and t 1 2 respectively. Then find the velocity of projection. (g is the acceleration due to gravity)
A) 1 2
g t t 2
M academy
NEET, JEE-MAIN, MHT-CET-XI - New Syllabus (MH), MHT-CET-XII - New Syllabus (MH), K-CET
g t 1 t 2 2
C) g t t1 2
D) none of the above
08) A stone is dropped from a ballon going up with a uniform velocity of 5m/sec. If the ballon was 50 m high then the stone was dropped, what will be the height the ballon from ground when stone hits
the ground? g 10m /s^2
A) 65.5 m B) 63.5 m C) 68.5 m D) None of these
09) A particle is moving in a circle with uniform speed v. In moving from a point to another diametrically opposite point A) the kinetic energy changes by mv^2 B) the kinetic energy changes by (1/2)mv^2 C) the momentum changes by 2mv D) the momentum changes by mv
10) If the equation for the displacement of a particle moving on a circular path is given by
( ) 2t^3 0.5 , where is in radians and t in
seconds, then the angular velocity of the particle after 2 s from its start is A) 36 rad/s B) 24 rad/s C) 12 rad/s D) 8 rad/s