The velocity of a given wave remains the same while the wavelength increases. What happens to the frequency of the wave? A. It increases proportionally to the wavelength.

B. It decreases proportionally to the wavelength.

C. Because frequency is the reciprocal of time it increases.

D. None of the above.

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.