If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
1.43
1.33
1.00
0.83
0.75
Correct answer is B
from the first statement, mg = \(\frac{2}{3}Vp_wg\) ........................1
from second statement, mg = \(\frac{1}{2}Vp_lg \)...................2
equating equations 1 and 2 we have that
\(\frac{2}{3}Vp_wg\) = \(\frac{1}{2}Vp_lg\)
\(\frac{4}{3} = \frac{p_l}{p_w}\)
= 1.33
the moment
the resultant of several forces acting on a body in equilibrium
two equal and oposite forces whose lines of action do not coincide
two coplaner forces at right angles to each other
the equilibrant of two concurrent forces
Correct answer is A
No explanation has been provided for this answer.
move towards the centre of the circle
stop moving immediately
move along a circular path of smaller radius
fly off in a direction tangential to the circular path
acquire greater centripetal force
Correct answer is D
No explanation has been provided for this answer.
uniform acceleration
instantaneous velocity
initial velocity
average speed
average velocity
Correct answer is D
No explanation has been provided for this answer.
which of the following pairs of physical quantities comprises vectors?
capacitance and inductance
force ratio and velocity ratio
friction and momentum
energy and power
electric field potential and electric field intensity
Correct answer is C
Friction and Momentum both have magnitudes and directions.