A sound wave that is traveling through a solid material has a frequency of 500 hz. The wave length of the sound wave is 2 meters. What is the speed of sound in the material? A. 250,000m/s

B. 250m/s

C. 1000m/s

D. 200m/s

(URGENT!! THIS IS FOR A TEST,,, WORK NOT NEEDED)

The material that keeps its new shape after it is stretched is called?

Aperson touches a large chunk of ice with their hand and remarks, “this is making me cold.” explain what this person is feeling. is the ice transferring “cold” to the person? is there a heat transfer occurring? explain.

An astronaut floating in space is trying to use her jetpack to get back to her space station, but she is being pulled away by a nearby planet, as shown in the image below. her jetpack provides a constant thrust of 310 n. if she angles her jetpack in such a way that it cancels out the vertical force due to the planet's gravity, what is her net horizontal force? thaud 487 o a. 54.8 n toward the space station o b. 212.9 n toward the space station o c. 185.2 n toward the space station o d 956 n toward the space station