Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Physics
A ball thrown vertically upward with a speed of 19.6 m / s from the top of a tower returns to the earth in 6 second. What is the height of the tower?
Q. A ball thrown vertically upward with a speed of
19.6
m
/
s
from the top of a tower returns to the earth in
6
second. What is the height of the tower?
6593
247
Motion in a Straight Line
Report Error
A
40
m
15%
B
58.8
m
67%
C
50
m
9%
D
70
m
9%
Solution:
u
=
−
19.6
m
s
−
1
a
=
9.8
m
s
−
2
t
=
6
s
S
=
u
t
+
2
1
a
t
2
S
=
−
19.6
×
6
+
2
1
×
9.8
×
6
2
=
−
19.6
×
6
+
4.9
×
36
S
=
58.8
m