A ray of yellow sodium light enters water from air with an angle of incidence of 45°. What is the angle of refraction?

A criminalist collects small strands of fabric from a crime scene. Which type of evidence is he detecting? latent evidence trace evidence direct evidence gross evidence

How much volume (in cm3) is gained by a person who gains 11.4 lbs of pure fat?

What is the bicyclist's velocity at t=35s?

Explain the relationship between speed, velocity and acceleration

Which of the following best summarizes the quantum model of atoms? A. Electrons reside in known positions in fixed orbits around the nucleus. B. Electrons are waves that travel in known paths around the protons. C.

Water is moving with a speed of 5.7 m/s through a pipe with a cross-sectional area of 4.8 cm2. The water gradually descends 9.2 m as the pipe increases to 8.8 cm2. (a) What is the speed at the lower level? (b) If the pressure at the upper level is 1.

Is Kepler's constant the same for moons orbiting a planet as it is for planets orbiting the sun? Why?

In which one of the following situations is zero net work done? A) A ball rolls down an inclined plane. B) A physics student stretches a spring. C) A projectile falls toward the surface of Earth.

Object dropped from height of 25 meters, what velocity will it hit the ground?

How can the time period of a pendulum be decreased or increased