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TEJAS ACADEMY OF SCIENCE, , Physics, , , , Time : 1.00 hr xi Marks : 20, , , , , , , , 1), , 2), , 3), , 4), , 5), , 6), , 8), , Projectile Motion(11th), A person climbs the steps are shown in following fig. Then displacement of person from his initial, , point A to find point B is :, 10, 12, , 13}, 2118, 3.1, , B, , , , A)Gm B) 8m Cc) 10m D) 12m, , The velocity of a bicycle, an athlete, and a car are 18 km/hr, 7 km/hr, 2 km/min respectively. Which of, the three is fastest ?, , A) bicycle B) an athlete, , C) car D) all are moving with same velocity, , A particle starts from origin goes along X-axis to the point (20, 0) and return along the same line to the, point (-20, 0). Distance and displacement of the particle during the trip are :, , A)40m,0m B) 40m,40m C)60m,20m D) 60m,-20m, Rita takes 20 minutes to cover a distance of 3.2 kilometer on a bicycle, her velocity in units of m/s is :, A) 16 B) 9.6 cj6.4 D) 2.67, , In 12 minutes, a car whose speed is 35 km/hr travels a distance of :, , A) 3.5 km B) 7km C)14km D) 28 km, , Acar is moving with speed of 45 km/hr, distance covered by car in one minute will be :, , A)45km B)75km C) 1.33 km D) 0.75 km 0.75 km, , A man travels 4 m towards east and then travels 4 m in towards north. If total time taken is 10 s, then, average speed Is :, , A) 05 mis B) 0.7 ms Chims D) 1.2m/s, , A car travels 30 km at a uniform speed of 40 km/hr and next 30 km at a uniform speed of 20 km/hr then, average speed is :, , A) 40 km/hr B) 30 km/hr C) 26.67 km/hr D) 20 km/hr

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TEJAS ACADEMY OF SCIENCE 2, , 9) Acar covers 50 km at a uniform speed of 60 km/hr and next 30 km at uniform speed of 40 km/hr then, average speed during its motion is:, A) 60 km/hr B) 50.52 km/hr C) 40 km/hr D) 30 km/hr, , 10) It a body travels half the distance with constant speed u and for the remaining half of the distance with, speed v then average speed is :, , uty 2uv, 2 oe, , , , , , A)usu B) D) uv, , 11) A particle is moving along X-axis, at time t; — 1s the particle is located at x; — 5m and at tz — 11s the, particle is located at x2 = 20m, then its average velocity is :, , A) zero B)15 ms C)2ms D) 2.5 mis, , 12) A particle is moving along X-axis. Its position at any instant is given by x — bt”. Where b is constant, and b = 1. Then instantaneous velocity at t = 4s is :, , A) ims B) 2mis C)4ms D) 8 mis, , 13) The variation of position coordinate of a particle with time, moving along X-axis is given by, x =8—7t+ 101 then its initial velocity is :, , A) Sms B)-8ms c)7 ms D)-7mis, , 14) A stone is thrown vertically downward with velocity of 2 m/s from top of tower of height 40 m then, height of stone from ground after 2 second of release is :, , A) 30m B) 23.6m C)16.4m D) 10m, , 15) The initial velocity of a particle moving along a straight line is 10 m/s and its acceleration is 2m/s* ., The distance covered by an particle in fifth second of its motion is :, , Ajim B) 19m Cc) 50m D) 75m, , 16) If reading on the speedometer of a vehicle in the beginning of a trip and after 40 minute is show 1048, km and 1096 km respectively then its average speed is :, , A) 48 km/hr B) 60 km/hr C) 72 km/hr D) 90 km/hr, , 17) When a person starts his journey by his car speedometer reads 5980 km. When he returns home after, two hours meter reading is 6060 km then average velocity of car :, , A) 80 km/hr B) 40 km/hr C) 20 km/hr D) zero, , 18) The distance travelled by particle in time “t" is given by s = 2.5t®. Average speed of particle during the, time 0 to 5 second is :, , A) 2.5 mis B) Sms C) 10 mis D) 12.5 m's, , 19) The maximum speed of bus is 80 km/hr. It takes 8 hr to travel a distance of 320 km, then ratio, maximum speed to average speed of bus Is :, , , , Rahul Chavan Sir 9130013007

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TEJAS ACADEMY OF SCIENCE, , , , , , Aj1:1 B)1:2 cj)2:1 D)2:3, , 20) A train 200 m long moving with a speed of 72 kmvhr. Time required by train to cross a bridge which Is 1, km long is :, A) 0.8 hr B) 48 min Cc) 1 min D) 50 second, , Fiahut Chaven Sir 9130013007