If a laser beam is shot straight up from the bottom of a pool so that it intersects the pools surface in a perpendicular fashion, what will the angle of refraction be in the air? A) 0

B) 45

C) 90

D) This cannot ve measured

A 0.28 kg piece of glass is heated from 303 K to 333 K. How much heat had to be transferred to the glass? (specific heat to glass = 664 J/kg K)

What does it mean when the orange light comes on for the anti-lock break? If it stays on what problem could it cause?

Which of the following is the correct SI unit to use in measuring amount of material contained in a solid sphere? A) kilograms B) ounces C) pounds D) tons

What do you mean by peltier coefficient?

Given the indices of refraction n_1 and n_2 of material 1 and material 2, respectively, rank these scenarios on the basis of the phase shift in the refracted ray. 1) Rank from largest to smallest. To rank items as equivalent, overlap them.

Is tin magnetic, ferromagnetic or non-magnetic?

Mrs. Newman's class decides to perform an experiment during a class connect session to determine how long it takes different objects to hit the floor when dropped from the student's desk. Each student dropped three notebooks, one weighing 0.

how does The electric force between charged objects change as the other objects move away from each other

A 50 kg man stands on the surface of a frozen pond. In order to get to the side of the pond he throws his 1 kg shoes at a speed of 10 m/s. After that what's the speed of the man? (neglect all frictions)

What is the definition of matter