# numerical of motion in a straight line class 11 problems

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*numerical of motion in a straight line class 11 problems pdf neet questions chapter 3 motion in a straight line class 11 jee questions aiims important questions have been collected at one place to get you all prepared for your neet, aiims ,jee main, advance exams as well as cbse board exams and other board exams. Visit my nawendu classes youtube channel for more help.*

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^{2}. A man who is 48 meter behind the bus with a uniform velocity of 10m/sec then the minimum time after which the man will catch the bus is

^{$x=40+12t-{{t}^{3}}$.}How long would the particle travel before coming to rest

_{1}and the rest half distance with

_{2}. Its average speed during the complete journey is

_{$\frac{2{{V}_{1}}{{V}_{2}}}{{{V}_{1}}+{{V}_{2}}}$}

_{17. A car moves from X to Y with a uniform speed ${{v}_{u}}$ and returns to X with a uniform speed ${{v}_{d}}$. Then average speed for this round trip is CBSE AIPMT 2007 Answer- $\frac{2{{v}_{d}}{{v}_{u}}}{{{v}_{d}}+{{v}_{u}}}$ }

_{The height of tower is }[g=10m/s2]

AIIMS 2005

21. A particle moving in a straight line with a constant acceleration. Changes its velocity from 10 m/s to 20m/s, while passing through 135 m in t second. The value of t is CBSE-PMT 2008

^{ }24. A bus is moving with a speed of 10meter/second on a straight road.

AIIMS 2015

AIIMS 1999

36.A body is released from the top of the tower H metre height takes t second to reach the ground. Where is the body after t/2 second of release ?

AIIMS 2000

37. Two bodies A (of mass 1 kg) and B of ( mass 3 kg) are dropped from height of 16 m and 25 m, respectively. The ratio of the time taken by them to reach the ground is

CBSE AIPMT 2006

Answer- 4/5

38.The velocity of a bullet is reduced from 200m/s to 100m/s, while travelling through a wooden block of a thickness 10 cm. Assuming it to be uniform, the retardation will be

AIIMS 2001

Answer- $-15X{{10}^{4}}m/{{s}^{2}}$

39. If a car at rest accelerates uniformly to a speed of 144 km/h in 20 sec, then it covers a distance

AIIMS 1997

Answer- 400m

40. A car starting from rest, accelerates at the rate (f) through a distance s, then continue at constant speed for time (t) and then decelerates at the rate (f/2) to come to rest. The total distance travelled is 15 s, then

AIIMS 2008

Answer- $s=\frac{1}{72}f{{t}^{2}}$

41. A body starts from rest and moves with a uniform acceleration. What is the ratio of the distance covered in the ${{n}_{th}}$ second to the distance covered in n second ?

AIIMS 2013

Answer- $\frac{2}{n}-\frac{1}{{{n}^{2}}}$

42. A rocket is fired upward from the earth surface such that it creates an acceleration of 19.6 m/s2 .If after 5 second ,its engine is switched off, the maximum height of the rocket from earth surface would be

AIIMS 2011

Answer- 245 m

43.A bus starts from rest and moves with constant acceleration 8 m/s2 .At the same time , a car travelling with a constant velocity 16 m/s overtakes and passes the bus. After how much time and at what distance ,the bus overtakes the car ?

AIIMS 2016

Answer- t=4s, s=64m

44. Two cars P and Q start from a point at the same time in a straight line and their positions are represented by ${{X}_{P}}\left( t \right)=at+b{{t}^{2}}$ and \[{{X}_{Q}}\left( t \right)=ft-{{t}^{2}}\] . At What time do the cars have the same velocity?

NEET 2016

Answer- $\frac{f-a}{2\left( 1+b \right)}$

46. In 1 second, a particle goes from point A to B , moving in a semicircle (see figure).The magnitude of the average velocity is

IIT 1999

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