What number of beats would be produced by two objects that vibrate 256 Hz and 258 Hz respectively?

What is the magnitude of the resultant vector round your answer to the nearest tenth

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational

Atelevision set that has been running for a while heats up even the air around it. which two laws of thermodynamics could be used to analyze this scenario