What must vectors have in common in order to be added?

Does a car accelerate when it goes around a corner at a constant speed?

Wat's the definition of microwave spectroscopy

Acceleration is directly proportional to which of the following quantities? A. Force B. Mass C. Displacement D. Distance

Which equation below represents a generic equation suggested by a graph showing a hyperbola? y = mx + b y = k2 y = k/x

Which of the following can be determined by studying the spectrum of a star? the chemicals in the atmosphere of the star the motion of the star the temperature of the atmosphere of the star all of the above

A bicyclist is in a 50-km race. She says she had an average velocity of 35. What is missing in the cyclist's velocity? A. units only B. units and distance C. direction only D. units and direction

Which one of the following statements concerning emf is true? A) Emf is the work done in moving the current from one terminal to the other of an emf device.

A fan is a complex machine? True or false?

Which force does not operate at a distance of 1 m? A. Weak nuclear O B. Electric C. Gravitational D. Magnetic

The deflection of alpha particles in rutherford's gold foil experiments resulted in what change to the atomic model?