Two identical tuning forks vibrate at 256 hz. one of them is then loaded with a drop of wax, after which 6 beats per second are heard. the frequency of the loaded tuning fork is a) 250 hz b) 253 hz c) 256 hz d) 259 hz e) 262 hz

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below. your friend goes first, and you follow after he has dropped a distance of 2.0m. when your friend hits the water, is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

The substances that are necessary for producing of certain hormones and that store and transport vitamins