Vector → a has a magnitude of 3.7 units, and vector → b has a magnitude of 11.5 units. if the value of → a ⋅ → b is 22.4 units squared, what is the angle (in degrees) between the two vectors?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

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?

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up