Question

The velocity of a particle moving along the X-axis is given by v = p + qt3 – rt4 , where t is the time. Find the dimensions of the constants p, q and r.

Answer 1

Answer-

the answers should be

[P]=L/T

[Q]=L/T⁴

[R]=L/T⁵

Explanation:

all the terms in a dimensionally correct formula are dimensionally equal that is the dimension of we will be equal to p and will be equal to qt3 and also it will be equal to rt4 so,

Dimension of P=L/T

Dimension of qt3=L/T

Dimension of q =L/T⁴

Dimension of rt4 =L/T

Dimension of r= L/T⁵