Saved Bookmarks
| 1. |
A body of mass `1kg` is suspended from a weightless spring having force constant `600N//m`. Another body of mass `0.5 kg` moving vertically upward hits the suspended body with a velocity of `3.0m//s` and get embedded in it. Find the frequency of oscillations and amplitude of motion.A. `(10)/(pi)Hz,10Cm`B. `(10)/(pi)Hz,5Cm`C. `(5)/(pi)Hz,5Cm`D. `(5)/(pi)Hz,10Cm` |
|
Answer» Correct Answer - B `V=(0.5xx3)/((0.5+1))=1m//simpliesK_(max)=U_(max)` `(1)/(2)xx1.5xx1^(2)=(1)/(2)xx600xxA^(2)` `A=5cm` `f=(1)/(2pi)sqrt((k)/(m))=(1)/(2pi)sqrt((600)/(1.5))=(10)/(pi)` `f=(10)/(pi)Hz` |
|