A commuter train blows its 200-Hz horn as it approaches a crossing. The speed of sound is 335 m/s. An observer waiting at the crossing receives a frequency of 207 Hz. What is the speed of the train?

At 16, Juana is at an appropriate weight and likes to eat whatever she wants to. What's the best strategy to ensure Juana's health? A. start paying attention to her diet so she won't gain weight later and walk once a day B.

If 1.30 g of matter were converted to energy, how much energy would be formed?

Blank is the passing of a wave through an object

The period of a wave is found to be 50 seconds. What is the frequency of the wave?

Every winter i fly home to chicago. it takes 3 hours. what is my average speed?

Describe the energy transfer when you touch a block of ice with your hand

1: Explain how insurance transfers risk to a third party.

How do you find period when you have frequency

Which electromagnetic waves have a higher frequency than visible light

Calculate the speed for a car that went a distance of 125 miles in 2 hours time