Divam kumar Asked a Question
December 5, 2020 12:06 pmpts 30 pts
s9. During unidirectional motion, the displacemet and distar travelled by a partice wih uniferm acceleration is (A) different (B) same (D) None of these (C)variahle 60. What is the initial velocity of an object which travels a distance of 1or+15t+5 along a straight line in time r? (A)-10 (B)+10 C)-15 (D)+15 clo 61. At zero acceleration a particle moves along a straight linc. What is the velocity of particle at the position of z =f - 202 +42 2 (A) +48.68 m'sec (B)-48.68 m/sec (C)+42 m/sec (D)-42 m/sec 62. What is the length of a train which crosses 'a bridge of 150 m in 20 sec. with a speed of 40 km/h? (A) 222 m (B) 150 m (C) 72.2 m (D) 70.5 m 63. Point, where the total volume of the body body is assumed to be concentrated is : (A) Centre of arca (C) Centroid of mass (B) Centroid of volume (D) All of the mentioned XEH-3MAT)
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  • Irfan ansari 1 thankyou
    see the attachment
    • cropped6043623474998250345.jpg
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  • Saurabh 1
    59-->B, 60-->D, 61-->B, 62-->C, 63-->B ...
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