1. calculate the speed of a wave that travels 10 cm in 4 seconds? 2. if a wave is moving with the speed of 10 cm/s, how far does it travel in 1.5 seconds?

3. what is the wavelength of a wave that has a speed of 40 cm/sand a frequency of 4 Hz?

4. what is the velocity of a wave that have a wavelength of 2 cm in if we can see him 25 Hz?

The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.