How to calculate critical angle? Given 2 indexes of refraction?

Using an example, explain how small atoms are.

Which can be used to determine if an electromagnet is working

An ideal pendulum is often discussed when studying simple harmonic motion. What are the conditions needed for an ideal pendulum? Check all that apply. A) Gravitational force acts to pull the pendulum's mass down.

The assessment technique used by health care providers that utilizes a stethoscope to listen to lung sounds is called A. palpation. B. percussion. C. observation. D. auscultation.

A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 48.0 m/s. Then the truck travels for 48.

0.005 kg of copper was heated from 20°C to 80°C. How much energy was used to eat Cu? (Specific heat capacity of Cu is 385 J/kg °C)

Assuming that the bohr model is valid, what is the kinetic energy of a photoelectron liberated by a photon with a the given wavelength from a state with given z and n

Compare the acceleration of a motorcycle that accelerates from 80 km/h to 90 km/h

Do you think you would like to do arson or explosion investigation or evidence testing? Why or why not?

What's the difference between solids and liquids?