Question

A particle is moving along x-axis whose position
is varying with time according to the relation
x = -3t + t where x is in meter and t is in
seconds. The displacement of particle for t = 1 sec
to t = 3 sec is.
(1) 16 m
(2) -6 m
(3) 20 m
(4) -20 m​

Answer 1

Answer:

Explanation:

A particle is moving along x-axis whose position

is varying with time according to the relation

x = -3t + t where x is in meter and t is in

seconds. The displacement of particle for t = 1 sec

to t = 3 sec is 16 m

Answer 2

Answer:

(3)+20

Explanation:

x for t=1 is

-3×(1)+$(1)^3$=-3+1= -2 x

for t= 3 is

-3×(3)+$3^3$= -9+27=18

Displacement of particle from t= 1s to t = 3s is

= 18-(-2)=20