Question Answers

Two forces F1 = 1N and F2 = 2 N act along the lines x = 0 and y = 0, respectively. Then find the resultant of forces. respectively. Then find the resultant of forces. Two forces F1 = 1N and F2 = 2 N act along the lines x = 0 and y = [...]

The sum of the magnitudes of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90 with the force of smaller magnitude, what are the magnitude The sum of the magnitudes of two forces acting at a point is 18 and the magnitude [...]

If the sum of two unit vectors is a unit vector, then find the magnitude of difference. If the sum of two unit vectors is a unit vector then find the magnitude of difference. September 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

An arrow is projected into air. It’s time of flight is 5 seconds and range 200 m. What is the maximum height reached by it ? Take (g =10 m/s^2) An arrow is projected into air. It's time of flight is 5 seconds and range 200 m. What is the maximum height reached by it [...]

A truck travelling due north at 20 m/s turns west and travels at the same speed. Find the change in its velocity A truck travelling due north at 20 m/s turns west and travels at the same speed. Find the change in its velocity September 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

Two trains 121 m and 99 m in length are running in opposite directions with velocities 40 km h^−1 and 32 km h^−1. In what time they will completely cross each other ? Two trains 121 m and 99 m in length are running in opposite directions with velocities 40 km h^−1 and 32 km [...]

If A = 4i – 3j and B = 6i + 8j. then find the magnitude and direction of A + B If A = 4i - 3j and B = 6i + 8j. then find the magnitude and direction of A + B September 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

Stating from origin a body moves along x-axis Its velocity at any instant is given by v = 4t^3 − 2t m/s. Acceleration of the particle, when it is 2m away from the origin is Stating from origin a body moves along x-axis Its velocity at any instant is given by v = 4t^3 − [...]

Given that A + B + C = 0. Out of three vectors, the two are equal in magnitude and the magnitude of third vector is root 2 times that of either of the two having equal magnitude. Given that A + B + C = 0. Out of three vectors the two are equal [...]

There are two force vectors, one of 5 N and other of 12 N. At what angle should the two vectors be added to get the resultant vector of 17 N, 7 N, and 13 N respectively? 7 N and 13 N respectively? one of 5 N and other of 12 N. At what angle [...]