Answers Two particles are fired together along a smooth horizontal surface with velocities 4 m/s and… Two particles are fired together along a smooth horizontal surface with velocities 4 m/s and 5 m/s. If… Read More
Answers Two forces (F_{1} = (7i + 8j)N) and (F_{2} = (3i + 4j)N) act on… Two forces (F_{1} = (7i + 8j)N) and (F_{2} = (3i + 4j)N) act on a particle. Find… Read More
Answers A stone is thrown vertically upwards and its height at any time t seconds is… A stone is thrown vertically upwards and its height at any time t seconds is (h = 45t… Read More
Answers Yomi was asked to label four seats S, R, P, Q. What is the probability… Yomi was asked to label four seats S, R, P, Q. What is the probability he labelled them… Read More
Answers Two forces (2i – 5j)N and (-3i + 4j)N act on a body of mass… Two forces (2i – 5j)N and (-3i + 4j)N act on a body of mass 5kg. Find in… Read More
Answers If (overrightarrow{OA} = 3i + 4j) and (overrightarrow{OB} = 5i – 6j ) where O… If (overrightarrow{OA} = 3i + 4j) and (overrightarrow{OB} = 5i – 6j ) where O is the origin… Read More
Answers Find the direction cosines of the vector (4i – 3j). Find the direction cosines of the vector (4i – 3j). A. (frac{9}{10}, frac{27}{10}) B. (frac{17}{27}, -frac{17}{27}) C. (frac{4}{5},… Read More
Answers Find the least value of n for which (^{3n}C_{2} > 0, n in R). Find the least value of n for which (^{3n}C_{2} > 0, n in R). A. (frac{1}{3}) B. (frac{1}{6})… Read More
Answers In a class of 50 pupils, 35 like Science and 30 like History. What is… In a class of 50 pupils, 35 like Science and 30 like History. What is the probability of… Read More
Answers P, Q, R, S are points in a plane such that PQ = 8i -… P, Q, R, S are points in a plane such that PQ = 8i – 5j, QR =… Read More