A ramp that is 8 meters long raises an object 2meters. What is the mechanical advantage

Experiment scenario 2: a biology student wants to conduct a study of how the amount of food affects the weight gain for mice. i have set up four cages with a mouse in each cage. fill in the boxes that would allow the biology student to complete the study correctly

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?