Question

COMPREHENSION
Following are three equations of motion
S(t) = ut + 1/2at ,v(s)= √u^+ 2as, v(t) = u + at
Where: S. u, t,a, v are respectively the displacement (dependent variable). Initial velocity (constant).
time taken (independent variable), acceleration (constant) and final velocity (dependent variable) of the
particle after timet
Find displacement of a particle after 10 seconds starting from rest with a uniform acceleration of 2m/s
(A) 10 m
(B) 100 m
(C) 50 m
(D) 200 m
Find the velocity of the particle after 100 m-
(A) 10 m/s
(B) 20 m/s
(C) 30 m/s
(D) O m/s
Find the velocity of the particle after 10 seconds if its acceleration is zero in interval (0 to 10 s) -
(A) 10 m/s
(B) 20 m/s
(C) 30 m/s
(D) O m/s
Find the displacement of the particle when its velocity becomes 10 m/s if acceleration is 5 m/s all
through
(A) 50 m
(B) 200 m
(C) 10 m
(D) 100 m
I will mark him as brainlist pls answer this
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Answer 1

$\huge \mathfrak{question}$

⤵⤵

Give reasons for the following:-

1. In the d-block Elements the size is on almost comparable, that is, there is no significant change in the size.

2. In group-13, Boron to Aluminium size increases but from Aluminium to Gallium size decreases and again from Gallium to Indium size increases but from Indium to Thallium, there is very slight increase in size.

3. In the f-block, left to right size decreases very sharply.

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