True or false? An apple, potato, and onion all taste the same if you eat them with your nose plugged

Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. what is the magnitude of his total displacement during this walk,in meters?

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant