Playing a certain musical note on a trumpet

causes the spring on the bottom of a nearby

snare drum to vibrate. This phenomenon is an

example of

(1) resonance (3) reflection

(2) refraction (4) diffraction

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.