The diagram shows a boy observing a fish located at position b below the surface of the water. the boy sees the fish at position a.

the apparent position of the fish is different from the actual position of the fish. what has happened to the light passing through the water to cause this difference?

a)
compression

b)
reflection

c)
absorption

d)
refraction

Gunpowder residue is most likely to show up where on a shooters hands

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?