a constant force acts on a 5.0kg object and increases its velocity from 7.0 m/s to 15m/s in a time of 4.0s. find the forces

answer: a. same unit

explanation:

gravitational energy

electrical energy

kinetic energy

ligh energy

answer: the correct answer for the fill in the blank is rods.

rods are the specialized photoreceptor cells that are present in the retina of human eye. they are responsible for vision in the night time ( also called scotopic vision). they have very low visual acuity and color distinguishing ability.

as they are responsible for vision in night time, therefore they are found predominantly in the nocturnal animals.