- 8. The distance between adjacent nodes in a standing wave pattern in a length of string is 25.0 cm a. What is the wavelength of wave in the string? b. If the frequency of vibration is 200 Hz, calculate the velocity of the wave. 9. Standing waves are produced in a string by sources at each end with a frequency of 10.0 Hz The distance between the third and sixth node is 54 cm. a. What is the wavelength of the interfering waves? b. What is the speed of the waves?
- Use the terms in the vocabulary box to fill in the blanks.You can use each term more than once. You will not need to use every term. 1. The process in which light bounces off an object is called __ 2. The process in which light travels through an object is called __ 3. The process in which light energy remains in the object that it hits is called __ 4. A __ is an arrow that shows the direction light is travelling. 5. Light will travel through a(n) __ object as if there was no object in its path. 6. __ objects do not allow light to go through them. 7. Light scatters in different directions after travelling through __ objects. 8. Opaque objects will only __ or __ light. 9. __ and __ objects will transmit light. 10. Clear glass is an example of a(n) __ object. 11.Wax is an example of a(n) __ object. 12.A book is an example of a(n) __ object.
- 6. Explain why Deneb will have a shorter lifespan than the Sun. __
- 11. Imagine you and your friend are both travelling to the same place,which is 250 km away. If she makes the trip in two hours, and you make it in three what are your average velocities? (14.1)
- 6. Outline the Law of Conservation of Mass.
