Question

12.20 B) 4.9 m D) 19.6 m A ball is thrown upwards from the surface of earth with an initial velocity of 5 m sí!. The ball comes to rest at a height of: A) 1250 m C) 12.5 m B) 125 m D) 1.25 m Two stones are thrown from the top of a tower, one straight down with an initial speed u and the second straight up with the same speed u. when the two stones hit the ground, they will have speeds in the ratio: A) 2:3 C) 1:2 B) 2:1 D) 1:1 An object is projected upwards with a velocity of 100 m s'. It will strike the ground in nearly ( given : g= 10 ms). A) 5 s C) 15 s B) 10 s D) 20 s A car starts from rest and moves with constant acceleration. The ratio of distance covered by the car in nth second to that covered in n second is: C) A) D) 1:n B) 2n-1 27-1 n2 2n2 n2 2n-1 SAKIMS INSTITUTE​

Answer 1

Answer:

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Answer 2

Answer:

12.20 B) 4.9 m D) 19.6 m A ball is thrown upwards from the surface of earth with an initial velocity of 5 m sí!. The ball comes to rest at a height of: A) 1250 m C) 12.5 m B) 125 m D) 1.25 m Two stones are thrown from the top of a tower, one straight down with an initial speed u and the second straight up with the same speed u. when the two stones hit the ground, they will have speeds in the ratio: A) 2:3 C) 1:2 B) 2:1 D) 1:1 An object is projected upwards with a velocity of 100 m s'. It will strike the ground in nearly ( given : g= 10 ms). A) 5 s C) 15 s B) 10 s D) 20 s A car starts from rest and moves with constant acceleration. The ratio of distance covered by the car in nth second to that covered in n second is: C) A) D) 1:n B) 2n-1 27-1 n2 2n2 n2 2n-1 SAKIMS INSTITUTE