krishakathayat krishakathayat

01-11-2020
Physics

contestada

please help.......

if y=p+qt+rt^2. where y is distance and t is time. what is the dimension and unit of p,q,and r

Respuesta :

santashelperkim santashelperkim

01-11-2020

Answer:

(L: Length, T: Time)

p: Dimension: L; unit: m

q: Dimension: L/T or (L)*(T)^-1; unit: m/s

r: Dimension: L/T^2 or (L)*(T)^-2; unit: m/s^2

Explanation:

since y is distance (Length), make all terms L distance.

p is same as y dimension ==> dimension: L; unit: m (meter)

qt dimension is L ==> q dimension :L/T; unit: m/s

rt^2 dimension is L ==> r dimension : L/T^2; unit: m/s^2

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