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A ball is thrown vertically upward with speed
PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation
Problem
A ball is thrown vertically upward with speed
20
m/s
20\,\text{m/s}
20
m/s
. Neglecting air resistance and taking
g
=
10
m/s
2
g = 10\,\text{m/s}^{2}
g
=
10
m/s
2
downward, which expression gives the maximum height
H
H
H
reached by the ball? (a)
H
=
20
2
10
H = \dfrac{20^{2}}{10}
H
=
10
2
0
2
(b)
H
=
3
×
20
2
2
×
10
H = \dfrac{3 \times 20^{2}}{2 \times 10}
H
=
2
×
10
3
×
2
0
2
(c)
H
=
20
2
2
×
10
H = \dfrac{20^{2}}{2 \times 10}
H
=
2
×
10
2
0
2
(d)
H
=
20
10
H = \dfrac{20}{10}
H
=
10
20
Related theory
Kinematic Equations for Uniform Acceleration
Free-Fall & Vertical Motion
Gravitation
Kinematic equations
Motion in a straight line
Equations of motion
Motion of objects under gravity
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