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Month

# November 2018

Question 1 A bullet of mass $m$ is fired with speed $v$ into a fixed block of wood and is brought to...
Question 1 State the principle of the conservation of momentum. A car weighing $2$ tons and moving at $60$ m.p.h. along a...
I was teaching my students today how one could use higher derivates to determine the shape of a curve at a particular...
Question 1 Show how to find the centre of gravity of a non-rectangular parallelogram. A thin uniform square sheet of metal $ABCD$...
Question 1 A body is projected under gravity with initial velocity $\vec{u}$ at an angle $\theta$ to the horizontal. Find in terms...
Question 1 (a) Represent any two velocities $\vec{v_1}$ and $\vec{v_2}$ by a vector diagram, and illustrate the vectors $(\vec{v_1}+\vec{v_2})$ and $(\vec{v_1}-\vec{v_2})$. (b)...
Question 1 Two pegs are fixed at points $A$ and $D$ in the same horizontal line. One end of a light string...
Question 1 A uniform ladder $PQ$ has a length of $26$ feet and weighs $40$ lbs. The end $Q$ leans against a...
Question 1 $P$ and $S$ are two fixed pegs in the same horizontal line. One end of a light string is attached...
Question 1 A uniform ladder is put leaning against a rough vertical wall (coefficient of friction $0.5$), the bottom of the ladder...