In terms of loudness and pitch how would you compare the sounds made by a mosquito flying near your ear and the croaking of a bullfrog ?

Ahorizontal force of 400.0 n is required to pull a 1760 n truck across the floor at a constant speed. find the coefficient of sliding friction.

Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap

5400 j of energy are given off when a 50 g of aluminum pan changes temperature. does the temperature of the pan increase or decrease and by how much?