A student studies how an object's mass and speed are related to its kinetic energy. The table shows the results for one part of the investigation.
? Kinetic energy (J)
1
100
2200
3
300
Which two terms are most likely to be used to label the data in the first
column?
A. Mass
B. Speed
O C. (kg)
O D. (m/s)

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?