Reverberation time of a room can be increased by covering the walls with better reflectors of sound. true or false

Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)

Ways that industry and agriculture use physical properties to separate substances

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car