Acertain metal with atomic mass 2.2 × 10−25 kg has an interatomic bond with length 2.3 × 10−10 m and stiffness 43 n/m. what is the speed of sound in a rod made of this metal?

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?

The energy released by a nuclear fusion reaction is produced when