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Physics
Physics
Problem
Two balls are thrown with the same speed
40
m s
−
1
40\,\text{m s}^{-1}
40
m s
−
1
, one at
30
∘
30^{\circ}
3
0
∘
(ball P) and the other at
60
∘
60^{\circ}
6
0
∘
(ball Q). What is the ratio of their times of flight
T
P
:
T
Q
T_P:T_Q
T
P
:
T
Q
? a)
1
:
2
1:2
1
:
2
b)
3
:
1
\sqrt{3}:1
3
:
1
c)
1
:
3
1:\sqrt{3}
1
:
3
d)
1
:
1
1:1
1
:
1
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