3:01令مد فيزياء مرحلة ا. . .->Misan University- Engineering CollegePetroleum Engineering DepartmeSubject : physicst.mid term examClass 1" yearDate 4/3/ 2021Time : 1.5 hrExaminer: Assist Lec. Hanan HashimAnswer All Questionthen streched an1) A 300 -additional 15cm and released. Find (a) the freuency of vibration (b) the period,and (c) thevelocity and acceleration at a displacement of 20 cm.mass is hung from acoiled spring and it stretches 20 cm.it21 a 1550-kg car moving at a constant speed of (900 km/hr) Its takes (16,000W)to keep it onalevel road. How much power is required to keep the car moving at the same speed up a hillinclined at an angle of 35° with horizontal?3) A 50 -g block as in figure below is connected to a spring on a rough inclined plane thatmakes an angle of 30 with the horizontal.the block is pulled down the plane a distanceA =10 cm.and is then released .the spring constant is 40 N/m and the coeffiecient of kineticfriction is 0,25.Find the speed of the block when the displacement x= A2wwwBest wishesExaminarHead of departmentAsst Lec. Hanan HashimHanoon H. Mashkoor

Given Mass, m = 300 kg Total displacement = 35 cm

Answered: 1) A 300-g mass is hung from acoiled…

1) A 300-g mass is hung from acoiled spring and it stretches 20 cm.it is then streched an additional 15cm and released. Find (a) the freuency of vibration (b) the period,and (c) the

Elements Of Electromagnetics

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Concept explainers

Free undamped vibrations

Whenever an object/system displaces in either side of its equilibrium position with the help of an external/internal means, then the object/system moves regularly or randomly on both sides of its equilibrium position. This motion is called vibration. Generally, there are three types of vibration: longitudinal vibration, transverse vibration, and torsional vibration.

Question

3:01
令
مد فيزياء مرحلة ا. . .
->
Misan University- Engineering College
Petroleum Engineering Departme
Subject : physicst.
mid term exam
Class 1" year
Date 4/3/ 2021
Time : 1.5 hr
Examiner: Assist Lec. Hanan Hashim
Answer All Question
then streched an
1) A 300 -
additional 15cm and released. Find (a) the freuency of vibration (b) the period,and (c) the
velocity and acceleration at a displacement of 20 cm.
mass is hung from acoiled spring and it stretches 20 cm.it
21 a 1550-kg car moving at a constant speed of (900 km/hr) Its takes (16,000W)to keep it on
alevel road. How much power is required to keep the car moving at the same speed up a hill
inclined at an angle of 35° with horizontal?
3) A 50 -g block as in figure below is connected to a spring on a rough inclined plane that
makes an angle of 30 with the horizontal.the block is pulled down the plane a distance
A =10 cm.and is then released .the spring constant is 40 N/m and the coeffiecient of kinetic
friction is 0,25.Find the speed of the block when the displacement x= A2
www
Best wishes
Examinar
Head of department
Asst Lec. Hanan Hashim
Hanoon H. Mashkoor

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