If your wave comes into contact with a different medium and is returned to the original medium it is known as:

A plane flies 1,995 miles in a southwesterly direction from Baltimore to Phoenix in 5.00 hours. What is the velocity of the plane? 399 mi/hr 399 mi/hr, southwest 0.25 mi/hr 0.25 mi/hr, southwest

How many minutes does it take light from the sun to reach earth? (the distance from the sun to earth is 93 million mi; the speed of light = 3.00 ✕ 108 m/s.) ?

You must exert a force of 4.5 N on a book to slide it across a table. If you do 2.7J of work in the process, how far have you moved the book?

You may make the following measurements of an object 42kg and 22m3. What would the objects density be?

An automobile can be considered to be mounted on four identical springs as far as vertical oscillations are concerned. The springs of a certain car are adjusted so that the oscillations have a frequency of 4.42 Hz.

A car takes 15 minutes to travel along a road that is 20 km long. What is the average speed of the car? A. 75 km/h B. 5.0 km/h C. 80 km/h D. 300 km/h

A 4.2 cm diameter circular loop of wire is in a 1.14 T magnetic field. The loop is removed from the field in 0.18 s. Assume that the loop is perpendicular to the magnetic field. What is the average induced emf?

When an ocean plate converges with another plate, what is created on the seafloor at the line of convergence?

Calculate the angle of refraction of 30.0° light shines from water into ice. The indices of refraction for water and ice are 1.36 and 1.31, respectively. A) 19.8° B) 31.3° C) 40.9° D) 64.0°

What is the length of a simple pendulum with a period of 2.0 s?