When a guitar string is plucked and the wooden guitar vibrates at the same pitch as the string, this is called a refraction b diffraction c resonance d constructive interference

Gravitational potential is related to a) what an object is made of b) an object's motion

A lever has a total length of 12 meters with a fulcrum at the exact center of the lever. Which best describes how to double the mechanical advantage of the lever?

An object's weight is dependent upon its location in the universe. Why is this true? A. This is true because weight is the amount of matter in an object.

The rotational speeds of four generators. are listed in RPM arrange the generators in order based on the electric fields they create. Start with the weakest electric field and end with the strongest.

A canoeist paddles at an average velocity 4 km / h for 1 hour and 30 minutes. How far does she travel?

Animals that can hear ultrasonic sounds are the what

If the rock has a mass of 1 kg which is the speed of the rock after it has fallen for two seconds

2 Cars A and B both at rest are to set of from a town to a common destination along the same route. Car A was the first to take off and travelled at 2.

In an experiment to measure the acceleration due to gravity, g two values, 9.72 m/s2 and 9.67 m/s2, as determined. if the accepted value of g is: 9.8 m/s2 find the followings: i) the percentage difference of the measurements?

If momentum is conserved in a collision, does this indicate conclusively that the collision is elastic?