Urgent: when traveling from an air to a solid, what would you expect a sound wave to do?

a. speed up

b. fluctuate speed

c. stay the same speed

d. slow down.

Like a key in a lock, the shape of the. must bind with the. of the recieving neuron

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.