1.4 x 102N
24 x 104N
2.0 x 104N
1.7 x 103N
Correct answer is B
Volume = 2 x 4 x 3 = 24m3
mass = V x D = 24 x 103
F = mg
= 24 x 103 x 10
= 24 x 104
0.4N
100.0N
250.0N
1000.0N
Correct answer is B
F = ma and V2 = U2 + 2aX
F = m\(\frac{(V^2 - U^2)}{2X}\)
= 0.04\(\frac{(500^2 - 0^2)}{2 \times 50}\)
F = 100N
Which of the following assumptions is made in a simple pendulum experiment? the
suspending string is inextensible
bob has a finite size
bob has a definite mass
initial angle of oscillation must be large
Correct answer is A
No explanation has been provided for this answer.
u2g
\(\frac{3u^2}{2g}\)
\(\frac{u^2}{g}\)
\(\frac{u^2}{2g}\)
Correct answer is D
Using V2 = U2 - 2gS
V = 0ms-1 at greatest height
S = \(\frac{u^2}{2g}\)
Which of the following is in a neutral equilibrium?
a heavy weight suspended on a string
a cone resting on its slant edge
a heavy-based table lamp
the beam of a balance in use
Correct answer is B
No explanation has been provided for this answer.