500.0ms-1
100.0ms-1
70.0ms-1
50.0ms-1
Correct answer is B
V2 = U2 + 2gs
V2 = 0
V2 = 2gs
h = 500m
g = 10ms-2
V2 2 x 10 x 500
V2 = 10,000
V = \(\sqrt{10000}\)
V = 100ms-1
20 (\sqrt{3}\)N
20N
10 (\sqrt{3}\)N
10N
Correct answer is B
No explanation has been provided for this answer.
10m
35m
50m
70m
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements describes a body in a stable equilibrium correctly?
a person walking on a tight-rope
ball on a smooth horizontal table
ball resting on an inverted hemisphere bowl
ball in the middle of a nemispherical bowl
Correct answer is D
No explanation has been provided for this answer.
\(\frac{2u \text{sin}\theta}{g}\)
\(\frac{u^2 \text{sin}^2\theta}{2g}\)
\(\frac{u \text{sin}\theta}{g}\)
\(\frac{u \text{sin}\theta}{2g}\)
Correct answer is C
No explanation has been provided for this answer.