[m.h.14]

السلام عليكم
ياريت ألقى أحد مروق من أعضاء المنتدى ويساعدني بحل المسائل لو بعضهم

Q -1

Simple pendulum takes 1 s for half a cycle

?A- what is the length of a simple pendulum

? b-what is the length for which T=3 s

Q-2

a particle oscillates according to the equation Y=5cost where is in centimeter

find the frequency of oscillation and its position at t= 0.13 s

Q -3
compute the volume change of a solid copper cube 40mm on each edge . when subjected to

? a pressure 20X10^6 pa the bulk modulus of copper 125X10^9 pa

Q-4

A 30 g mass vibrates is SHM at the end of a spring .The amplitude of motion is 12 cm and the

period 1.7s . Find

A- the frequency

B- the spring constant

c- the maximum speed of the mass

d- the speed when the displacement 6 cm

f- the acceleration when x=6 cm

Q-5

Two parallel and opposite forces , each 4000 N , are applied tangentially , tow the upper and

lower faces of cubical metal bock 25 cm on a side . Find

A - the angle of shear

B - displacement of the upper surface relative to lower surface . share modulus = 80X10^9 pa


Q-6

How high would water rise in the pipes of a building if the water pressure gage shows the pressure at the ground floor 270X10^3 pa

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