If a = \(\left| \begin{array}{cc} 3 \\ 2 \end{array} \right|\) and b = \(\left| \begin{array}{cc} -3 \\ 5\end{array} \right|\). Find the vector c such that 4a + 3c = b
A lift moving with a uniform acceleration of 5 ms\(^{-2}\) carries a body of mass p kg. If the reaction on the floor is 480N, find the value of p [take g =10ms\(^{-1}\)]
Calculate correct to one decimal place, the angle between 5i + 12j and -2i + 3J
A particle is projected vertically upward from a height 45 metres above the ground with a velocity of 40m/s. How long does it takes to hit the ground?
Two forces, each of magnitude 16N, are inclined to each other at an angle of 60º