Ahummingbird can flutter its wings 4,800 times per minute. what is the frequency of wing flutters per second? what is the period for one wing flutter in seconds?

Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.

The material that keeps its new shape after it is stretched is called?

1kg of water needs to recieve 4200j of energy to go from 90 degrees to 91 degrees. what is the specific heat capacity of water? what are the units?