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A ball is thrown vertically upward with an initial speed of
PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation
Problem
A ball is thrown vertically upward with an initial speed of
20
m/s
20\,\text{m/s}
20
m/s
. Taking upward as positive, find the displacement of the ball from the point of projection at the instant its velocity becomes
−
10
m/s
-10\,\text{m/s}
−
10
m/s
. (a)
+
20.4
m
+20.4\,\text{m}
+
20.4
m
(b)
+
15.3
m
+15.3\,\text{m}
+
15.3
m
(c)
−
15.3
m
-15.3\,\text{m}
−
15.3
m
(d)
+
30.6
m
+30.6\,\text{m}
+
30.6
m
Related theory
Free-Fall & Vertical Motion
Gravitation
Kinematic equations
Motion of objects under gravity
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