Question

speed of particle is

a) can be both positive (or) negative
b) can be negative
c) always positive
d) always negative​

Answer 1

speed of particle is always positive it can't be negative velocity is a vector quantity so it can be positive or negative depend on the direction of applied force on the body if the force is applied in the direction of motion of body then the velocity is positive and if it is applied against the motion of body then the velocity is negative.

Answer 2

Answer:

Option c is correct answer friend.....