A56.9 g mass is attached to a horizontal spring with a spring constant of 16.6 n/m and released from rest with an amplitude of 35.1 cm. what is the speed of the mass when it is halfway to the equilibrium position if the surface is frictionless? answer in units of m/s.

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Explain the difference between each pair of concepts. a. frequency and relative frequency b. percentage and relative frequency a. select the correct choice below. a. frequency is the total number of observations in a data set. relative frequency is the number of times a particular distinct value occurs. b. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of a value to the total number of observations. c. frequency is the total number of observations in a data set. relative frequency is the ratio of the number of times a particular distinct value occurs to the frequency. d. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of two different values.

Does heating a metal wire increase or decrease its electrical resistance? why?