Units and Measurements, Mathematical Tools Questions

If A = î + ĵ and B = î − k̂, the angle between A and B is

Velocity of a particle is given as v = 2t² − 3 m/s. The acceleration of particle at t = 3 s will be

Find out value of ?

If y = 1/2 sin(x²), dy/dx will be

Which of the following can represent the curve x² = −2y

Which of the following may represent the curve x = 2y − 3

The value of sin (−150°) is

The value of ∫(x − 1)(x − 2) dx is: (c = integration constant)

In a particular system, the unit of length, mass and time are chosen to be 10 cm, 10 g and 0.1 sec respectively. The unit of force in this system will be equivalent to:

In an expression a × 10^b.