A force F acts on a body of mass 12kg increases its speed...
A force F acts on a body of mass 12kg increases its speed from 5 m/s to 35 m/s in 5 seconds. Find the value of F.
36 N
48 N
72 N
108 N
Correct answer is C
F=ma
a=v−ut
∴
F = 12(\frac{35 - 5}{5}) = 12 \times 6 = 72 N
Find the value of \cos(60° + 45°) leaving your answer in surd form...
If P = {n^{2} + 1: n = 0,2,3} and Q = {n + 1: n = 2,3,5}, find P\cap Q....
Find the third term in the expansion of (a - b)^{6} in ascending powers of b....
The coefficient of the 7th term in the binomial expansion of (2 - \frac{x}{3})^{10} in ascending...
Face 1 2 3 4 5 6 Frequency 12 18 y 30 2y 45 Given the table abov...
From the diagram above, h[g(3)] is...
Solve; \frac{P}{2} + \frac{k}{3} = 5 and 2p = k = 6 simultaneously...
A binary operation * is defined on the set of real numbers, R, by P * q = \frac{q^2 - p^2}{2pq}...
If P = \begin {pmatrix} 2 & 3\\ -4 & 1 \end {pmatrix}, Q = \(\begin{pmat...